Windows 7 Suddenly Won't Boot?
Sep 11, 2010
My friend's laptop (ASUS G72GX) won't boot into Windows 7. Specs:Windows 7 x64 Home PremiumIntel Core 2 Duo P87006 GB RAMNVIDIA GeForce GTX 260MHe said it worked fine in his room and then he brought it downstairs (I'm assuming he did a hard power off by pressing the power button) and that's when it stopped working. Here are some things it does:After pressing the power button, the ASUS logo will appear (this happens during POST) and then the screen goes and stays blank.-Sometimes, it gets to a screen that gives the option of starting Windows normally or running Startup Repair.-Startup Repair hangs at random places (progress bar fills fast and ten completely stops).-If the option to start Windows normally is chosen, it eitherhangs at the 'Starting Windows' screen (Windows 7 logo does not animate) or flashes a blue screen that is much too quick to read (just a fraction of a second) and then the laptop restarts.
I can get into the BIOS options and everything seems normal, including temps (though I'm not sure how high they were when the problem started). However, upon exiting the options, the problems above proceed as normal.I also tried hitting both F8 and F12 during boot, but can't get to the screen that would let me start in Safe Mode since it hangs at the Starting Windows screen.I'm kind of at a loss here. My friend's not exactly careful with his laptop, but this is the first time I've seen a computer refuse to boot like this.
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Apr 27, 2012
laptop, lenovo s10-3s running on windows 7. All of a sudden she cant start or booth it up. Message says "windows failed to start. a recent hardware or software change might be the cause." I ask her if she installed some software or connected something before it happened, and she said she didnt do anything and last night it was just functioning fine. We tried restart and press F8, booth in the safe mode,safe mode w/ networking. But it still failed to start.
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Mar 3, 2012
My Windows 7 PC won't boot. There have been no software or hardware changes (potentially a windows update was applied that I don't know about, shutdown one night, all OK and then couldn't boot up the next morning). I get the windows 7 logo, then a black screen with mouse cursor, but I can't move the cursor. There's no keyboard response either (I don't think this is the infamous black screen of death as this typically still responds to a CTRL+ALT+DEL?). Safe Mode is no different apart from seeing drivers load, it stops at CLASSPNP before pausing for a while and then the black screen.
Managed to run the startup recovery tool, although I only get this option sometimes when trying to boot. It scans but can't auto fix the problem but reports a corrupt registry (I don't believe this is the problem though).
I removed my boot drive (which is an OCZ SSD) and mounted as a secondary drive in another PC so I could browse files on that drive. So I managed to restore my registry files from the windows backup files (windowssystem32config
egback), then replaced my SSD in my PC, but still no boot (which is why I don't believe it's a reg problem). I swapped out the SSD to my other PC again, this time I ran a chkdsk on my SSD, it found some small problem, nothing major so I fixed it successfully and swaped back to my original PC again, but still no change, still not booting. I swapped it out again, this time I had a look at ntbtlog.txt, it shows lots of inf's not loading (CLASSPNP being the last one to load.
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Jul 18, 2009
I've got 5 PCs here.. 2x Win 7 x64 v7100, 1x Vista x32, 2x XP Pro x32. Strangely, within the past 24 hours both of my Windows 7 PCs have stopped booting. They turn on, hard drives spin, fans come on. There is no beep, and no signal to the peripherals, including keyboard, mouse, monitor. Identical problems on both systems.
Specs on Windows 7 System 1 (2 years old):
Motherboard Asus P5N32-E SLI
CPU Intel Core 2 Extreme QX6850 Quad-Core 3.0GHz
Ram 4 x OCZ DDR2-800 Reaper 2048MB
Video Card 2 x Asus GeForce 8800 Ultra 768MB
Power Supply Silverstone ST1000 1000W
Specs on Windows 7 System 2 (1 month old):
Motherboard Asus P5Q-EM
CPU Intel Core 2 Quad Q9650 Quad-Core 3.0GHz 95W
Ram 4 x Kingston ValueRAM DDR2-800 2048MB
Video Card Asus GeForce 9600GT 512MB Silent
Power Supply Corsair VX 450W Power Supply
I suppose it's possible that both motherboards just coincidentally failed in the same day but that seems pretty unlikely. They are both ASUS. On System 2, the second system to fail, I did notice that the computer had been on with the screen saver up for a little while. Someone had been using it only about 20 minutes earlier. I thought it'd entered power saving mode and turned off the screen but when I went to bring it back up, I couldn't. I noticed that the light on the front of the box was flashing. I tried powering off by holding down the power button, then powering back up but had no luck. I also tried turning it off at the power supply and unplugging it for a few minutes but that didn't help either.
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Jul 17, 2012
Tech Support Guy System Info Utility version 1.0.0.2
OS Version: Microsoft Windows 7 Home Premium, Service Pack 1, 64 bit
Processor: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz, Intel64 Family 6 Model 42 Stepping 7
Processor Count: 4
RAM: 8175 Mb
Graphics Card: AMD Radeon HD 6800 Series, 1024 Mb
Hard Drives: C: Total - 114470 MB, Free - 65830 MB; D: Total - 76832 MB, Free - 44153 MB; E: Total - 400003 MB, Free - 399901 MB;
Motherboard: Gigabyte Technology Co., Ltd., P67A-D3-B3
Antivirus: Microsoft Security Essentials, Updated and Enabled
This weekend, I bought and installed a new SSD into my computer. I re-installed my Windows 7 (Home Premium x64 OEM) onto it, (fresh install, no migrate) and immediately formatted my mechanical HDD. I went into my BIOS and changed boot priority. (I set it to CD first, because I was re-installing from the disc, followed by my SSD.) I changed BIOS Drive positions, with my SSD as #1 and HDD as #2. On my Mobo, my SSD is plugged into SATA3 Port #1. My HDD is plugged into SATA2 Port #1. As soon as I got Windows installed, I started re-installing programs, setting up my admin account, and generally resetting my system, theme, Rainmeter, etc. Then I started getting messages that I wasn�t running Genuine Windows. I clicked the �Resolve Online� button, and downloaded the authenticator software, which told me I needed to buy a copy of Windows.This irritated me, because I am running a key I bought legitimately, and I have the packaging and CoA. I called Tech Support. I spoke with a very helpful gentleman. He checked out my product key. He had me activate my product, which I hadn�t done on my new install yet, and I got a �Genuine� tag to appear under the Windows Experience Rating in �My Computer>Properties�. He said I was good to go. Now, 48hrs later, I�m getting the "Not Genuine" message again. I have a screenshot of Windows claiming to be Genuine and Not Genuine at the same time. (See Attached photo.) I have installed a lot of updates since my re-install, so I do seem to be getting those. So, although I formatted the original Mechanical HDD, I have to assume there are some residual Windows files still on it, (but I'm not finding any) because apparently Windows thinks it�s running on two machines now, I assume. I�m also getting a strange message in my Boot process, which asks me if I want to Boot into Windows 7, or into Windows 7. A 30sec timer then appears and chooses the highlighted option, and continues to boot normally. This computer is custom built, and I purchased an OEM version of windows separately from the builder - legit, physical packaging - and I opened the packaging and installed it myself about a year ago. It has been fine until I installed the new drive this weekend.
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Aug 30, 2012
I bought a Corsair force 3 SSD 60GB and I'm using it as a cache with IRST on my Asus p8z68 v-pro /gen 3 mobo (bios updated), well something has happened 3 times since. First I performed a clean windows 7 32 bits install, and installed the latest intel IRST drivers 10.8 (and now 11.2), then installed a game called SWTOR played for a few weeks everything was fine. Then uninstalled the game (20gb size) and after a couple of times using the pc, I can't shut down windows 7, had to press the power button off, then on, then a screen appears telling me intel caching is rebuilding itself and finally 0 access to windows 7.
Seems IMO like the raid 0 is not working anymore. I've never had issues with my pc and my HDD drive so I am suspecting 100% about the corsair ssd drive. I have had this issue 3 times since last March all after doing a full clean windows 7 installations, sometimes I updgraded the mobo bios other the ssd firmware currently everything is updated even the ISRT drivers however this issue still happened today again for the third time.
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Oct 19, 2012
The problem started 3 days ago when I was playing World of Warcraft and I was alt-tabing (nothing special, just ordinary stuff). After a load screen, where the game normally starts loading stuff, the alt-tabing was inresponsive and while I was in desktop, clicking WoW icon had no effect, like I wasn't clicking it. Soon I realized Firefox wasn't working as intended, so I pressed the reset button on my case. The pc gave me an error that, if i remember correctly, was that no boot device found. I played a little with plugging-unplugging my USB devices and the problem fixed after about 10 minutes. All good since yesterday afternoon.
So yesterday I got the exact same problem while I was playing an another game, but still at loading screen. The computer boots (from zero) very slow, even getting to "Starting Windows" screen takes a minute, and until I see the windows icon (the one about the SW text) 15 minutes pass. I left home and left the pc at that icon, and when I was back it was at login screen (weird because I only have 1 account without password so I don't ever get there). I pressed my account icon and after around 10 seconds (notice the time for just pressing a button) I got the "Welcome" screen, with the circle moving smoothly. I tried to use my Windows installation disc to find a boot problem, however it takes for ever to find a problem. Also tried booting in safe mode, but it takes a long time to load (haven't left it enough hours to load, I think it got stuck at some point).
My initial thought was of course a HDD failure. I have tried removing the ram sticks, unplugged everything but the DVI cable, played a little with the HDD sata cables, but nothing. The only thing I haven't tested is PSU.All the few operations I have managed to see (like the SW screen or the clicking) take a huge amount of time. I suspect it might not be a boot, or even HDD related, error but something else. The problem so far is the speed. The only thing I have seen to be working normally is navigating in the BIOS menu (which is graphical, I have an Asus motherboard). Also notice that just before I manually rebooted my PC, alt-tabing was inresponsive (not crashing, just very slow probably).
** EDIT ** : chkdsk reported no bad sectors
PC specs:
Windows 7 64-bit
Intel i5 2400
2x2GB Kingston 1333 MHz
Asus GTX 560 Ti
OCZ 700W
2 HDDs (Windows at WD 5400 rpm, 500gb one)
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May 7, 2012
For some reason my laptop has slowed down incredibly on start up. It is an HP Pavilion purchased last ovember and everything has been fine until 2 days ago. I started up and it took around 5 mins fo my desktop icons to show completely and then a further 2 mins before I could access any programs. I did a system recovery to before the problem started but no use. Any ideas before I take it back to the shop - its still under arranty.
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Nov 23, 2012
I was cleaning up my wife's laptop and installed a defragger from CNET and while in that program the screen went blank and now it wont restart - when I push the On button nothing happens. I'm in real sh...t, I broke HER computer.
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Jun 3, 2011
It's a dell latitude, 1 year old. Laptop suddenly crashed and when the laptop booted it said: "no boot sector on internal hard drive". I tried repairing the boot sector with the windows repair function, but the hard drive is just empty... nothing to repair. Then I tried to boot off a ubuntu live cd. which worked. and showed me an empty hard drive with the_maximum_capacity_of_the_drive_GB of unallocated space.
Since that I reinstalled windows 7 two times, and stopped working after an hour or so. I installed ubuntu, which worked for several days. then i tried windows 7 again (clean install). And then I kept working on the laptop for a couple of hours until the "crash" happened. All the programs stopped working suddenly. When I opened anything I was shown this error: "Illegal operation attempted on a registry key that has been marked for deletion."
After that everything is lost if I turn the computer off. And I'm back at an empty unformatted hard drive. I changed the sata operation mode in the bios to different options before every installation of windows. I didn't try xp, because I don't have dell-xp cd's . Is the hard drive broken? I guess not because ubuntu works. and windows 7 also, but it just goes away suddenly... Here's a video (shot in portraitmode) of the event... [URL].
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May 24, 2012
What I think to have caused the problem is in this previous threadnyway, after doing that last fix and booting the computer the next day, I got an error saying I may be a victim of software counterfitting, followed by a black wallpaper with a not genuine message at the bottom right. I need to get it working again so I can get updates, and I've lost my Windows 7 Home Premium key which makes this all the more difficult to fix with normal tech support from Microsoft
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Jan 13, 2013
I built this PC myself. It was built around 5 months ago. I installed Windows 7, and it said it was perfectly genuine and everything. I bought this on eBay from a person with 99% Positive feedback and with 2300 stars, so I'm sure it isn't pirated. Now randomly I have a black wallpaper and in the bottom right corner it says Windows 7, Build 7601, This copy of Windows is not genuine. I've scanned the computer fully for viruses with AVG and Malware with Malwarebytes, and found no problems. [code]
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Mar 31, 2011
I bought Win 7 Ultimate for 2 installs over a year ago. I bought an Asus Laptop a year ago which came win the 7 Home and upgraded to Ultimate with no problems at all. 3 months ago I bought a Dell with 7 Home and upgraded it to Ultimate. Again no problems! About a week ago I started getting multiple error message on the Asus stating that my Windows 7 was NOT valid. Now today I am getting the same messages on the Dell. Not able to get help from Microsoft which keeps insisting that these operating systems are invalid. Two huge questions: IF this is actually the case why would it be such a very long time before getting these error messages, Also, what are the options now I am being told there are 30 days remaining before the OS on both systems locks up?
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Nov 27, 2012
i have windows 7 ultimate x64, few days back it suddenly became very slow. it takes about 3 mins to show desktop after logging in. then another 3-4 mins before i can use the machine . then also it works very slowly.
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Jul 25, 2012
Last night after some modem problems which may be coincidental Windows 7 PRO (OEM) suddenly de-activated. It now will not re-activate either by the normal method or by telephone. No hardware has been changed and to my knowledge no new software was installed although some of course may have been updated. I was simply attempting to browse the web. It came with a new build and has been fine since November 2011. Checking the error logs I find these related messages. Code: Genuine state set to non-genuine (0x00000000) for application Id 55c92734-d682-4d71-983e-d6ec3f16059f Code: Acquisition of genuine ticket failed, hr=0xC004C4A2) for template Id 66c92734-d682-4d71-983e-d6ec3f16059f I ran the MGADiag tool and it produced this.
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Sep 8, 2011
Yo people. So it was a regular day, found a program online and created a restore point before installing... suddenly about two hours later while surfing the interweb boom!! Internet Explorer stop responding so I think "it's not so bad... it happans timw to time" but the only differents is that the message doesn't pop up, like windows doesn't even relize it! But continuing on, I right click on the taskbar to start task manager because clicking the exit button fails the taskbar AKA explorer.exe caught the same flu as IE. So now I can touch the taskbar so Ctrl+Alt+Del is left... screen turns black as always when I do the keystoke but it stays black. So I shut off my computer. Start-up was a little more slow and worked fine before I open IE and it starts all over again. I try restoring, scanning (later with various other antivirus) nothing found, memory test (normal), and everything else like uninstalling unused programs and fixing the registry with Registry Repair. I got Startup Delayer which helped with the slow Start-up but nothing eles. But sometimes like 1/5 times my computer boots up and i perfect like before but when I turn it off it happens again on the next start-up
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Jul 5, 2012
After installing a trial version of AutoCad Inventor, ( Win7 Ult 64-bit > Dell Precision T5400) I find that I am not not allowed to download anything. I did turn off Windows firewall and defender and anti-virus as advised when downloading, changed the UAC (User Account Control), but when trying to download the new version of Firefox it stops with "you don't not have sufficient rights to allow this" to thereabouts.
I've gone through every security and administrator setting I can, in System, msconfig, and so on. I've restarted, shut down, "changed user"- whatever I can think of.
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Jan 20, 2013
About 9 months ago I was upgrading the hardware on my PC including the hard drive. To cut to the chase, a friend of mine had a copy of the 64bit window 7 ultimate and told me to install that and buy a window key online to save some money. He said it works fine as he had done it before. So I did that, and it worked great until a couple of days ago, when I started getting all the windows not genuine boxes and signs on screen. I have tried re-entering the windows key with no luck.
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Jan 7, 2013
Everything was fine with my pc for about 6 months now since I did a fresh install on a ssd. Today everything was working great, I never install windows 7 updates and use my own nod32 anti virus. I have windows 7 64x
I shutdown the computer and everything was fine. When I tried starting the computer again it was stuck on the windows logo with starting windows words. The animation of the flag was animated and not frozen. My post message submitted at a regular timeframe. I did do windows restore and still takes about 30 min for windows to start. Tried windows repair, took 30 min to even get into it, and startup repair says there is nothing wrong. Safe mode gets stuck too and won't start up.
I also checked bios to see if there where any changes, but everything seems in order, the boot sequence and order and so on. I have no clue whats wrong and scared to turn off the computer incase next time it completely stops starting.
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Sep 4, 2011
I have been running Windows 7 for 3 months with no problem. When installed it was validated but suddenly yesterday I began getting notifiations that "Windows 7 is not genuine".
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Nov 10, 2011
I have a laptop, Acer aspire 7001, and it runs on Windows 7. It ran fine for a year, but a couple weeks ago I dared to install windows updates. There were a lot of them, including SP1. I restarted, but suddenly windows wouldn't open. I managed to start in safe mode and found SP1 wasn't installed correctly. I removed it, ran a couple scans (antivirus, malware, register) and restarted. Still windows won't start in normal mode. A memory scan found nothing wrong. CHKSDK finds nothing. Startup Repair sometimes says "restart to finish", and sometimes "cannot repair". I have written down every startup repair error report.
I tried to use Windows Recovery, but found all restore points had been removed! Furthermore, I tried to use the windows 7 cd, but the laptop refuses to read the CD. It's not just with the windows cd (which works on other computers). The BIOS recognizes the CD reader, but it seems unable to read cd's. So I'm guessing there's a hardware problem there.
[code]...
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Jan 27, 2013
I don't know what is the best free software to clean all the cookies and registry files. my laptop always lag this past few days and suddenly "this version of windows is not genuine" appear on bottom left of my wallpaper. i've installed paid anti virus internet security for my laptop. so what should i do? my windows 7 home premium is genuine because i bought asus
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Mar 16, 2011
We have a windows 2000 server, a few XP, 1 vista and 1 windows 7. Everything works fine before but all in a sudden, only the Windows 7 cannot connect to the server. The 7 is a new PC, it works and connect to the server fine for the first 3 months, but all of a sudden, it just cannot connect and keep prompting that the user name and password is wrong. I have re-install the 7 (it is HP and we use the recovery disc) and I even get a new wireless adapter to test, the 7 can get on the internet, everything except the server. But all others windows has no problem with the server, I am guess it has to do with the 7. I am getting so frustrated that I also gonna use that HP windows 7 into a door stopper.
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Sep 23, 2012
I just did a clean re install of windows 7 x64, and right off the bat got these 2 bsod's.
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Aug 28, 2011
so installed a fresh version of windows to update from xp to windows 7 and all of a suppen my computer wouldnt recognize my flash drive, so i eventualy after trying other stiff that didnt work looked in device manager and saw that i was missing "USB 2.0 Flash Disk USB Device" and "Mass Storage Controller" and idk how to replace them, when i click update driver device manager stops responding. (a breif google search yeilded nothing) i realy need my music which is all on my flash drive aswell as the fact that i need my mouse which is also atached via usb
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Dec 22, 2011
until a couple of weeks ago my PC was running perfectly, quickly, etc but one day i turn it on and suddenly EVERYTHING is slow.For example, every time i open a folder in explorer, i have to wait about 30secs for all its contents to load, chrome is being un-usably slow (same with other browsers) even just loading a google search. when i listen to music it often cuts out for several seconds and everything freezes up etcetc but throughout this my CPU will stay very close to 0% (like it should be) i have run virus checks, windows repair, a DDS check (whatever that is) etc and nothing seems out of place. on top of all this now windows is suddenly starting to question if i am using genuine windows 7 (i am) AND have got a few seemingly random BSODs?
SPECS:
->Windows 7 home premium 64bit (service pack 1)
->i5 750 intel CPU @ 2.67GHz
->NVIDIA GeForce 210 graphics card
->4GB RAM
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Nov 22, 2012
I have a weird problem with my laptop. my laptop is a dell latitude d630 with an intel core 2 duo T7300 cpu it is a dual core cpu
but since 2 days my computer runs slower. i didn't understand. using cpu-z i saw that my cpu only has ONE core.
i do not understand. can cores go bad separate?
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May 21, 2010
Ive had windows 7 since it came out pretty much all been fine could install all updates and go though MS validation etc.... this afternoon was on it all ok still. come back from doing some work and to see a message in the corner "windows 7 build 7600 This copy of windows is not Genuine".
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Nov 10, 2012
I upgraded the HD on my HP Elitebook 8540w laptop. WIndows 7 Premium, OEM, from HP, system still under warranty. No problems for a couple weeks after the upgrade, then Windows is suddenly not valid. It is wierd. The System Properties shows Windows is Valid. But Windows Update and Microsoft Security Essentials will not update. The online check at Microsoft fails. [code]
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Jul 24, 2011
Earlier today I uninstalled a small utility off of the system disc ("C" ) and immediately my Windows 7 system would no longer recognize my other two internal HDD's. Upon a restart, Windows again sees that there are drives there but has issues. At first I thought none of the programs would run, but upon starting Starcraft 2, I watched the sc2.exe file in take manager tick up the megs resident in memory. It took about 7 minutes before reaching 100 megs in memory then the screen went black as if the game was about to start up. At this point I'm watching on my second monitor (w/ task manager) the program loaded a full 125megs before slowing down.
I was never able to get it to start up and it does this every time. The same is true for any other program installed on that drive. I can browse it just fine and everything is where it should be -- I've tried running the .exe from the directory itself with the same result.I'm no Guru, but I'm fairly good with computers and have never seen anything even remotely close to this. I don't know if the uninstall is related, but it seems likely as it was right as that finished.
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Apr 12, 2012
sometimes in the middle of working on my pc computer, Windows 7 shuts down alarming me for upgrading, how do I stop this , and guide it to do upgrading when I want it, let the the Windows 7 upgrades with a warning . Most of the times this sudden shutting down of the Windows disrupts my whole work and I lose everything I did?
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