Windows 8.1 No Longer Allows To Do OEM Recovery - Required Partition Missing
Mar 17, 2014
I have an i7 ASUS Ultrabook (HDD is 2xssd in raid0, UEFI, GPT partitions.) which is great but have an issue where wifi profiles don't retain and i'm not too concerned about retaining the data on the ultrabook so after attempting to fix the wifi profiles not saving (Have been through the driver scenario, folder permissions, sfc, etc and no joy) i'm just going to do a clean install from the recovery partition.
I started by trying the recovery methods 8 has built in, refresh the files, but fails without an error and makes no changes. Attempted to do a full restore via 8 recovery also but fails with no error also and then I realized I was actually missing the OEM options (F9 during boot doesn't allow for EMS boot to begin recovery from recovery partition like expected, just boots into normal recovery).
After installing windows 8.1 it no longer allows me to do an OEM recovery via Windows 8.1's built in recovery methods so I created a recovery USB from the recovery partition using the windows 8 tool since the AI Recovery Burner doesn't recognize the partition, the USB recovery creation did recognize the partition and allow me to create the USB recovery drive from this successfully.
When running the USB recovery, the recovery fails with "Required drive partition is missing"
I think this is because the recovery partition is actually a windows 8 partition, not 8.1, and will not work.
Seems like a lot of effort but I want to retain the OEM key and software set (because it's surprisingly not a piece of trash) so was thinking if I install windows 8 (I have an ISO and another key) over the existing 8.1 partition it may actually allow me to then do the normal recovery.
Since the recovery drive did not work I decided to clone the recovery partition and have the WIM file now, although since cloning the partition when running recovery I no longer have the option to create a recovery drive using the recovery partition, the partitions no longer show as recovery partitions in disk management but instead as OEM partitions (Not sure why this changed.)
The recovery xml configuration for REAGENTC does have the correct GUID's and offsets for the partitions although when running this in elevated cmd it results in error 3 unable to run.
Am I able to create a base recovery drive from another windows 8.1 pc and use the WIM file?
Any way to tell what partition table my created recovery drive is expecting so I can adjust the current partitions to match and perform the recovery? When I try to refresh the files from this recovery I get the error "Windows system is locked" which is why I went for the full recovery.
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Apr 8, 2014
My Toshiba Satellite Laptop has Windows 8. For some reason windows 8 wont load. It gets to the screen where you select which username you want. But from there its non responsive, I cant get into Windows, I cant restart to load it up in safe mode.
I got a Windows 8 disk which I had to change the bios to load it up. The cd loads but it says the automatic repair wont repair the laptop. I try to refresh windows 8 but I get a message saying the drive where windows is installed is locked. unlock the drive and try again. It also wont let me use system restore.
I try to use the reset pc option but I get a message saying unable to reset your pc, a required drive partition is missing.
At the start it gives me the option to install windows 8, I don't know whether to just do that? Is it ok to do with windows 8 already installed?
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Dec 29, 2013
I built my own PC last year and I've done several OS upgrades in that time frame. First I started with windows 7 basic which I then promptly upgraded to 7 ultimate because my university offered upgrades for $7. I then upgraded to 8 when it first came out and then 8.1 too. I put a new SSD in my PC and copied all my 8.1 data on to it I then turned the old SSD in to a second boot drive for OS X. I'm having problems with 8.1. I wanted to create a repair drive to hopefully root out and fix whatever is causing windows explorer to crash. It's not a virus I've made sure of that. I have a feeling whatever caused this happened when I upgraded to 8.1 and then copied over the SSD. What my product key is for 8.1 pro i just found the email microsoft sent me with my windows 8 key but i have no disc.
when i followed the instructions to make a recovery drive it told me that some of the required files are missing and to use a windows installation disc or media which is a problem because all my windows 8 upgrades have been done online.
also my PC currently doesn't have a disc drive i removed it because i only ever used it to install windows 7 basic.
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Apr 13, 2014
I recently purchased an Asus X551 laptop with Windows 8 but straight the way uninstalled Windows 8 and installed Ubuntu (after creating a Windows 8 recovery drive just in case). I have since decided that I want Windows 8 back as I have found that I cannot use a lot of software on Linux. The laptop did not come with any form of recovery disk or installation disk, the only reminent of Windows 8 I have is the recovery USB that I created from within the OS.
When I plug in the USB and boot from it it brings up the recovery menu with options to reset the PC but when I click it it says something like - "Unable to reset PC. A required partition is missing".
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Jul 19, 2014
I was using Ubuntu 14.04 on my laptop before. Now I want to install Windows 8. I have laptop's rescue CD. I get the following error when I tried to install Windows 8 on UEFI using the rescue CD:
"Unable to reset your pc a required partition is missing".
I think I have a problem about partitions type because Ubuntu uses ext4.
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Jun 1, 2014
I have an ASUS VivoBook X200CA that is running a Windows 8.1 Upgrade. For about 5 months, this laptop has been running perfectly without any problems and I have managed to reset the computer many times due to certain errors and problems that have arisen from software and hardware compatibility.
Recently, I went to reset my laptop, it restarted and then it took me to the WinRE screen. I went into Troubleshooting > Advanced Options and I clicked on the Reset option. It then took me through each of the various warnings and making sure that my data was backed up and then, once I had clicked on the "Reset" button, it hung for a bit and then said "Reset has failed - Required Partition is Missing".
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Jun 12, 2014
When I installed my copy of windows 8 using a dvd, It installed a recovery partition during the installation. This partition allowed me to do things such as create a recovery drive, and use startup repair, all without needing to insert an installation disk. For some reason, this recovery partition is no longer working. I can't create a recovery drive without being told to insert installation media, and there are no troubleshooting settings when I launch "advanced startup". I noticed this after I deleted all of the bcd bootloader entries in easybcd, and tried to create a recovery drive. I don't know if deleting those entries could have affected windows but I think it might have something to do with it.
The recovery partition is still there, and the files in it are still there.
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Mar 12, 2014
I've got a windows 8 laptop which gives me this error message when i try to switch it on:
"Your PC needs to be repaired The boot configuration data file is missing some required information.
File:BCD Error Code : 0xc000000d ............................" I'm sure you are all familiar with the rest of this dreaded error code.
I've tried all the repair options, recovery disks to a windows 8 bootable flash disk, the command prompt fix boot commands as well but still I get the same error message whenever i try to boot windows.
Now I'd like to know, can't i just copy the boot folders from another similar windows 8 pc and paste them into my harddrive to fix this?
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Sep 15, 2011
I am trying to install the new develp build of Windows 8 (x86) on my asus eeepc 1005pe. This is a netbook which doesnt even have a cd/dvd drive.
So anyway, I extracted the iso on a bootable usb flash drive. I boot, and when I click install it just hangs for about 10 minutes and then it gives me this error:
I tried setting the bios from AHCI to IDE. This does not work, I even get a bluescreen of death when I boot up in the current win7 sp1 install. But anyway on google I read a lot about this problem and one of the solutions is to put it on AHCI.. but not for me as it was already on AHCI. Anyway IDE is not workin either.
Just recently I installed win7sp1 on this netbook without a problem. I checked the sha1 hashes of the Windows 8 ISO and they are confirmed, so that is not the problem either.
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Jun 20, 2014
If you have a recovery drive - that includes the recovery partition - made on one computer, but have a toshiba laptop with a bad drive (but the recovery partition is ok), can you replace/copy the partition on the recovery drive with the recovery partition from the bad laptop HD?
My friend's laptop would not boot, and would not factory recover, reset, or refresh. I tried to clone the hard drive before I started messing with the disc. It would not clone, but I was able to copy the recovery partition to a USB drive.
He never make recovery discs, so could not re-install, but I can borrow the recovery drive that my aunt made for her laptop.
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May 9, 2013
My system specs are :
FX-8350
ASUS M5A97 R2.0 (UEFI motherboard)
CM thunder 500W
Radeon hd 7870
8 gb ram [800 mhz]
seagate barracuda 7200.12 1TB
and
seagate barracuda 7200.11 250 gb
I have installed windows 8 on the 1 TB hdd 200GB partition
The problem I am facing is: UEFI Boot takes longer time
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Aug 25, 2014
I accidentally deleted the EFI partition, required to boot into my Win 8.1 installation - unbeknownst to me that EFI partition was on a different disk to where my Windows is located. To complicate matters the Windows install is on a RAID0 array.
Windows repair using the original install media didn't work.
EasyRE didn't detect the RAID0 drive.I saw various instructions on how to reconstruct the EFI partition, but they all assumed that the EFI partition is still there, which in my case it isn't.how I can get my data off that drive and re-install Windows?
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Sep 15, 2014
I bought an Asus Vivobook S551LB. Paying around 1150 for it, the specs seemed good and I thought it'd be a fairly quick laptop.
Turns out... It's really slow, and freezes a lot.
It was preinstalled with Windows 8, then I updated to 8.1. I'm fairly new to anything past Windows 7 so, 8 I'm completely lost.
I deleted all the bloatware that came with the laptop but it still freezes, so my last resort is to reinstall windows.
I can't because I updated to Windows 8.1 and when I try to reset it says I'm missing a partition.
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Mar 7, 2013
I swapped the HDD with a new blank SSD in T530 and booted it with the recovery USB of windows 8. System boots from the USB and gives refresh, reset, and other options. However, when I select reset ( to fresh isntall the OS on the SSD), it fails saying a required partition is missing. What! I'm using a blank SSD, shouldn't the installer present me with options to format and use the drive rather than erring out?
Is there any better way of installing the windows 8 os on a new blank SSD using the recovery USB?
I do have gParted live USB. If nothing works, I will partition the SSD using gParted and try the Windows 8 recovery USB again.
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Jun 5, 2014
I have an Asus ux32a zenbook and basically, I was wanting to reinstall my windows 8 back to the factory settings. My recovery image I saved is deleted and I may have started formatting my hard drive but am not sure. I try the f9 at startup to access the asus recovery but nothing happens.
I have a copy of Windows 7 I was going to just install over it but when I go to the advanced set up where it asks where I want to install windows I get a long list of disk partitions that have OS, Data, Restore ect. already on it looks like , which makes me think I can still access windows 8 somewhere on my computer.
The problem is, when I boot my computer without an installation usb, it directly takes me to the bios and nothing else. My question is, is it possible to see if I can access my recovery partition, if there is one, just through bios, since that is my only option when I turn the computer on?
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Jan 13, 2014
I recently purchased a new Dell XPS laptop with SSD. The first thing I did after receiving it was to split the C drive into two using Easeus Partition Manager. Probably due to this, neither Windows nor the Dell Backup & Recovery software detect the recovery partition any more.
When I launch Windows built in recovery creator, it's 'Copy the recovery partition from the PC to the recovery drive' option is grayed out. If I click next, it would say 'We can't create a recovery drive on this PC. Some required files are missing'.
Dell Backup and Recovery says 'Corrupted Environment. Dell Backup and Recovery has not been able to detect the Recovery Partition on this computer. It may be missing or corrupted." (see screenshots below).One thing I am 100% sure is that the recovery partition is present and is intact. I was able to create a bootable USB using Dell Backup and Recovery (this is different from a full recovery media in the sense that the laptop will boot from USB, and then recover from the recovery partition). Using this USB, I was able to restore the OS properly. Unfortunately, even after this factory restore, Windows doesn't detect the recovery partition.
1. Output of diskpart
Here, partition 4 and partition 9 both have WinRE.wim. Partition 4 also has Reagent.xml. Both have the GUID same, but offset is different.
2. Output of various commands
Code: reagentc /disable
successful
Code: reagentc /info & reagentc /enable
REAGENTC.EXE: Operation failed: 3
REAGENTC.EXE: An error has occurred.
Code: recimg /showcurrent The recovery image configuration cannot be found. The system cannot access the configuration file. Error Code - 0x80070002
3. I also tried modifying the c:WindowsSystem32ReAgent.xml file without success. Based on the output of 'diskpart detail partition' shown below, I updated the file.
Attempt 1:
Attempt 2:
Code: Here, 'WinRe.wim' is located in 'Partition 9WindowsRecovery'. That's why I used 'WindowsRecovery' as the 'WinreLocation path'.
Neither of these worked.
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Nov 28, 2013
I recently did an update of my machine from Windows 8 to Windows 8.1. The update process did not show any errors or warnings and by the time it finished I was under the impression that everything went smooth.
After the update I was testing the environment and discovered that one of my desktop applications stopped working, I went to the developer's website and indeed I found there is a known issue with their software on 8.1 and to solve it, I had to completely uninstall the software and then install it once more. So I went to Programs and Features in order to do so and to my surprise the Uninstall button was missing from the interface. Right-clicking an item and selecting uninstall from the menu gives a warning message suggesting that the application might have already been uninstalled and asks if I wanted to remove the application from the Programs list. However, clicking OK or Cancel just closes the message box and nothing happens.
So I went and tried to Refresh My PC; Once I clicked Refresh My PC the verification process started and indeed it told my that some system files are missing and that it should take care of it provided I insert my Windows disc. Now since its an OTA update from Win 8 to 8.1 I thought that MS knows that some people will not have a physical copy of 8.1 and so I inserted my Windows 8 Pro System Builder disc hoping it would work, but sadly as you might have guessed, it did not. It told me that I needed the 8.1 recovery disc.
Now I have been looking everywhere for a recovery image to download and use to fix my problem, everywhere I go it suggests that I make my own copy. But how am I supposed to do that if my Windows is faulty and has missing files. I really don't wanna go back to Windows 8 and re-upgrade to 8.1. I have a monitored internet bandwidth and I cannot go and download the 3 GB 8.1 update once more.
How can I repair my 8.1 machine?
I came across this article describing how to get an ISO image for 8.1 with a Windows 8 product Key. However, entering my Windows 8 Pro System Builder (OEM) key in the box fails and tells me that the key I entered is not for this product.
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Aug 8, 2014
I upgraded my new refurbished Dell 15 7000 from Windows 8 to Windows 8.1. Now, my hidden recovery drives are showing on "My Computer". On Windows 8, they were hidden so the user, or softwares, can't access the partitioned recovery drives.
After upgrading to windows 8.1, they are all visible on "My Computer" and files are be written on them. How can I hide these drives? I am afraid of doing Windows Update or installing Office 365 since they extract the files on a different drive and move them back to C drive.
Dell 15 7000 specs
Windows 8.1 upgraded from Windows 8
Intel i7 4500u
Nvidia 750m GDDR5 2GB
8GB memory
1TB Western Digital HDD
4 USB 3.0 ports
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Mar 4, 2014
System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 8.1 Pro, 64 bit
Processor: AMD E-300 APU with Radeon(tm) HD Graphics, AMD64 Family 20 Model 2 Stepping 0
Processor Count: 2
RAM: 2666 Mb
Graphics Card: AMD Radeon HD 6310 Graphics, 384 Mb
Hard Drives: C: Total - 281129 MB, Free - 233356 MB; D: Total - 19850 MB, Free - 2098 MB; E: Total - 4055 MB, Free - 935 MB;
Motherboard: Hewlett-Packard, 3577
Antivirus: Windows Defender, Disabled
I am trying to build a recovery drive on a USB flash drive for Win 8.1. I have been unable to copy the Recovery Partition from the PC to the recovery drive. It appears to be disabled when I view it from the Recovery Drive. I have discovered that in Windows 8.1 the recovery partition is installed in a INSTALL.WIM file format. How do I locate the Windows 8.1 INSTALL.WIM file and how can I register the INSTALL.WIM file as the Recovery Image on my PC?
I downloaded the Windows 8.1 Enterprise evaluation kit and became totally lost.
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Jul 1, 2013
I finally broke down and bought a modern laptop Asus A55A (K55A) and installed Ubuntu 12.04 in a dual boot situation. With the nefarious secureboot and other such nonsense Windows 8 install met with an untimely demise. However, I have the files left on the recovery partition (copied to my 16gb usb) and need to make an install disk. My only issue is that I can't find a way to do it in Ubuntu as all the tutorials I find assume that Windows is installed. Is there a way to make a bootable Windows 8 install usb or iso from the files on the recovery partition-without using Windows to make it? I would love to re-install Windows 8 and then setup a stale dual boot.
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Apr 26, 2014
Is impossible to make a recovery partition on windows 8.1 with hotkeys F11 on any pc?
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Mar 24, 2013
I am trying to run a reset in Windows 8. However, after rebooting into WinRE, it says that it can't reset because I am missing a required partition.
I searched for a solution to this problem. But, it looks like most people who see this error have accidentally deleted some Windows partitions. In my case, I have not altered the Windows partitions since original install.
I read another comment that suggested that it's due to the hd driver being missing and that I would have to "inject" the correct driver into winre. But, I'm not sure how to do that (or if that is really the fix).
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Aug 6, 2014
I have some problems with my laptop ASUS K55VD. I had windows 8, but with the store of windows I have updated to windows 8.1.
I have tried to use the recovery partition, but every time I try appears a message. Failed to reset your computer. A partition of unity necessary is missing.
For that reason I have looking for some information, and with CMD commands like "diskpart". I have noticed that I have 8 volumen.
And in Computer Management appears this.
Then googling recommend to use EaseUS Partition, and some many things change. In the beginning, I had the same 3 partions in red and I don't know what happened.
But in diskpart change too, and I only have 4 volume, and it have dissapeared the recovery partition, and I don't know why?
Before to use EaseUS partition I have created a USB booteable with 9.79gb, and I had this:
But, in this days I have tried to create the USB booteable again, but I can't. And everytime I have tried to run the usb, appears to select the language, the keyboard, and then appears the same windows with troubleshoting and turn off (it returns at the previous windows in blue)
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Jan 17, 2014
I am using windows 8.1. I have deleted my recovery partition by mistake. Is there any option to create again the same?
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Oct 10, 2013
I wish to purchase a new laptop that has Windows 8 OEM pre-installed on a 256GB SSD and a recovery partition. I would like to move the recovery partition to an USB drive using the feature available in Windows 8 and create another partition on the SSD for a different OS (linux). I have several questions:
1. Is there any difference between a recovery USB and the recovery partition on the SSD?
2. [Answered] If I completely wipe the original Windows 8 installation can I restore my system using the USB drive?
3. [Answered] During recovery, can I chose on what partition I want to install Windows 8 or create a new partition for it (similarly to a fresh install) or is the whole thing done automatically? I want to know if the recovery process wipes the whole SSD or only the Windows partition and if my other partitions will be left intact (I can live with it overriding the bootloader).
4. If I shrink the Windows 8 partition, can I still perform the recovery? (assuming that I have enough space for the installation).
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Dec 23, 2013
I'm trying to do a complete recovery of my Windows 8.1 laptop (The "Remove everything and reinstall Windows" option). A few seconds after I try to initiate the recovery, I am stopped by a message that says:
"Some Media Files are Missing. Your Windows installation or recovery media will provide these files"
After this message appears I am prompted to cancel the restoration. How can I bypass this message to continue with the recovery? My laptop is 4 years old and is ready for a recovery.
My laptop was purchased running Windows 7 64bit, from which I upgraded to Win 8 64bit Pro through a free download from my school. I have my Windows 8 installation key, but not the download files. I upgraded to 8.1 through the Windows Store free download.
Acer Aspire 5742
Intel Core i5 2.53 GHz (original gen)
4.0 GB RAM
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Oct 27, 2013
I purchased a Lenovo laptop with Windows 8 Pro preinstalled. It came with 500 GB HDD. I changed the DVD Rom with SSD/HDD tray to use for additional drive. I put an SSD in there and installed Windows 8 on it using a USB Recovery Drive, which I don't have anymore. So my current setup looks like this:
After upgrading to Windows 8.1, the license of some software I'm using got messed up and I couldn't manage fixing it, so the only option I've got left is to reinstall/reset Windows. But since the Recovery partition is on another drive, when I go about creating a Recovery Drive, the option "Copy the recovery partition from the PC to the recovery drive" is greyed out. I've got stuff on my HDD, which I can't currently backup so I don't wan't to format that drive. I'm perfectly fine with formatting the SSD, that's what I want.
How can I reinstall/reset my Windows? The only option I see is to install Windows on the Hard Drive (by doing a backup and formatting it first), and then create a usb recovery drive and reinstall again on the SSD, but that's a lot of hassle and I'd need to find an external hard drive for the backup.
I intentionally left the Hard Drive in the original bay (as Disk 0) because of the better protection against falling compared to the added bay in place of the DVD drive.
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Dec 2, 2013
I built up a new PC featuring a brand new SSD (i.e fully unallocated). Then, I made a clean install of Windows 8.1 pro (64bits) using an ISO DVD. Using Windows disk management tool after the install, I can see that only two partitions have been created: one System partition in NTFS (350MB) and the remaining of the SSD is the C: partition while I was expecting a third one : a recovery partition. Of course, I do not remember a prompt during the install to ask whether I want a recovery parttion or not.
Is it normal ? Is a recovery partition useful knowing I have the install DVD ? If the recovery partition has some advantages, is there a way to create it after the install is completed ?
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Jul 7, 2014
I have a Sager NP9377 with Windows 8.1 installed. I got hit by bad viruses and need to recover. How do I access and restore from the Recovery Partition?
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Nov 9, 2013
I have a Samsung Ultrabook series 5 laptop..some couple of month usage i completely remove my hard drive and change the windows 8 to windows 7..when i use windows 7 i realize windows 8 is much better then windows 7 so again i clean install of windows 8. i boot drive in PXE UEFI Only Mode. Some reserved partition created also 300MB Healthy Recovery Partition is Created.when i install a Samsung Recovery Solution Software it Says "Recovery Partition Does Not Exist"..What do i do.also when i refresh Pc it gives me Error "The Drive is Locked Where the Windows Installed" I want to make my Laptop like 1st time it was...
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Nov 18, 2013
I have a virus On my sony VAIO duo 11 windows 8, that makes everything a "shortcut" especially on my flash drives. The problem is, I want to reinstall windows from the recovery partition. However, every time I try to copy the recovery partition onto a flash drive, it copies over to the flash drive in a "shortcut" fashion which hinders me from creating a bootable flash drive. I tried malware bytes and other antivirus programs to make it stop creating shortcuts but to no avail.
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