Cannot Reinstall Windows 7 After Virus - RAID Not Found In Task Manager
Dec 28, 2010
My Acer 7736Z-4809 laptop (pre-installed with Win7 Home Premium 64bit, so I don't have the Win7 CD) was recently hit with a virus. I constantly got the BSOD "iaStor.sys" and a black screen. Startup Repair at first couldn't complete repair, but when I tried again, it found no errors. Tried System Restore to no avail. Was able to do a System Image Recovery using a backup on an external HD, but none of the programs worked (wanted to use Ad-Aware and Spybot to eliminate the virus). When I clicked on programs on the desktop or Start menu, nothing happened, didn't even get an "Open with." Even in Safe Mode, none of the programs worked.
I checked the Task Mgr, and explorer.exe was still there, but RAID wasn't. Went to Control Panel Programs to uninstall/repair programs, but got message that programs seemed to be already uninstalled...it was like the programs weren't even recognized. Once in awhile when I clicked on IE8 in Windows Explorer (not via desktop shortcut or Start menu), IE8 actually opened, so I downloaded Hijack This and Avast anti-virus, but when I tried to install them, I got the msg: "Installation must be on a local hard drive." Continued to get the "iaStor.sys" BSOD. I read to run Verifier and disable it, so I tried that (not sure if that made things worse).
Tried to do another System Image Recovery, but this time it couldn't recognize the backup on the ext HD. Tried Startup Repair, and it couldn't complete repair. Went to Recovery Management to reset the OS, but my User ID(?) couldn't be found. Decided to do a Factory Install - during "Setup is preparing your computer for first use" I got the error msg: "The computer restarted unexpectedly or encountered an unexpected error. Windows installation cannot proceed. To install Windows, click 'OK' to restart the computer, and then restart the installation." Every time I try to restart it, I get the same error msg.
BIOS Setup Defaults:
Quiet Boot: [Enabled]
Network Boot: [Enabled]
F12 Boot Menu: [Disabled]
D2D Recovery: [Enabled]
SATA Mode: [AHCI]
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Sep 24, 2012
I have installed this game, Singularity. The game worked fine for a week then suddenly It would crash as soon as it was opened from the desktop shortcut. The game is patched to it's latest version, I have direct x all other runtimes and PhysX installed from the CD. The shortcut it set to run as Admin in compatibility. No matter if i try with the desktop shortcut or from the exe in the folder or from the shortcut in the start menu the game will crash asap. The only way this game runs is by pulling up task manager and selecting New Task then browsing to the games exe. Malwarebytes reports no viruses or any malware. Tried reinstalling, and it didn't help.
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Dec 7, 2009
I am installing more RAM in my system, and want to monitor the page file for improvement/reduction in size and use. Other than performance monitor, can I see the page file in either task manager or resource monitor?
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Jan 1, 2012
I built my own PC with 2 Crucial M4 64GB SSDs in a RAID 0 logical drive as the boot/Windows drive. Everything was fine for about eight months then yesterday I got a BSOD with the code 0x...F4. The machine automatically rebooted and a message about insert boot device came up. The RAID utility that comes up during post shows the Logical drive. I put in the Windows installation CD to try and repair but it doesn't detect an existing Windows installation. When I try the installation process, after adding the appropriate RAID drivers, the installer sees the drive so I think I could reinstall but I don't know how that would effect the data on the partition. I also have a logical data drive of two 2TB HDDs;if I reinstall on the SSDs will the data on those drives be lost? I also have an external drive that I had setup for Windows Backup; will I be able to access that after a reinstall? And my biggest concern is that if this happened once and I dont' know why, could it happen again? Maybe there is something wrong with the SSDs? I'm not sure how to troubleshoot this or how to proceed.
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Aug 21, 2011
My Windows 7 account has started freezing not long after startup. It works in safe mode. My virus checker has failed so I can not do a virus check. In safe mode I can not re-install a virus checker. I have run the Ashampoo register checker and corrected all the faults. bar reinstalling the operating system which was an upgrade from Vista I am not sure what to do.
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Feb 10, 2012
Before I begin my overclocking project, I'd like to update my BIOS. I'm currently using an ASUS P8Z68-V/GEN3 with a BIOS of 0301. According to their website there is a new BIOS 0402. One of the two components of the update states "increased stability". So I'm thinking updating the BIOS would be groovy before I begin my overclocking project.After my week old build, I've done two things to the 0301 BIOS. I've used the ASUS OC for dummies button and overclocked it to "Fast" (not Extreme). I've also configured it to RAID.
1) Should I "un-overclock" to its original settings it before updating?
2) When I update it, will the update put the BIOS back to default settings, including the RAID setting reverting to AHCI?
If the answer to #2 is yes, then it will default to AHCI rather than RAID when the update is complete.....so is it just a matter of resetting it to RAID before attempting to boot Windows again? I ask this because of the pain I experienced when I had to reinstall Windows after going from AHCI to RAID the first time.
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Aug 22, 2012
My specs are as following-
4 gigs of ram (kingston) ddr2
dual core amd phenom 2
ati radeon hd 5770
windows 7 home premium 64x bit.
I have been running games like battlefield 3 and such for a while now with no problems, then one day I had to re install my operating system due to a break brought up by an sfc scan in the command prompt, Lately my computer will blue screen, pause with a stuttering sound, files will work incorrectly, and my computers performance has slowed at such a rate that almost anything is becoming impossible.
I ran a few scans but they all crash in the middle and it has been happening since I had reinstalled the os. I only run programs like cyberlink powerdirector 10, fraps and xsplit, and skype for my gaming and recording. So my question is this, how to get rid of these signs of a virus and the virus itself if there is one?
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May 4, 2012
Setup 4 disks on a windows 7 PRO unit using the disk manager raid utility. Created a JBOD. On re-boot, all drives are reflecting a failed message.
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Aug 2, 2010
I have an ASUS Motherboard M4A87TD EVO, got two new hard drives, and changed the BIOS settings to a RAID configuration. After exiting BIOS, I loaded the WIN 7 (64 bit) installation disc, got thru the first few prompts of installation, and the pop up error menu shows up. "No signed Driver Found, Please insert CD/DVD/ Floppy", and my RAID configuration does not appear in the box as a hard drive for Windows to be installed into.
After researching on the web and contacting ASUS, I still don't understand. From what I can gather, it is a driver that will make THE INSTALLATION PROCESS RECOGNIZE MY RAID configuration. Apparently, it must be downloaded onto a thumbdrive and installed "during" the Windows installation. Is it specific to this type of installation, or manufacturer specific? Asus or Windows? A third party??
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Aug 17, 2012
i'm new to this forum. My task manager is missing. If i press ctrl-alt-del, usually there is a menu that contain:
-Lock this computer
-switch user
-log off
-change a password...
-task manager
But now the Task Manager is missing! I don't know why! My computer is not just used by me, my brother and mother usually used it. I ask them but they said they don't know. Then is tried to search the task manager from 'start'. There is "View running process with Task Manager". I click it, but then show up a letter "Task manager has been disabled by your administrator."
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Sep 1, 2012
when I load windows in normal mode, its really busy,whether im browsing or just trying to open up a file or folder, as in the blue circle item spins around constantly. I have left it long periods and it still hasnt done whatever task. I try to do control alt delete to end the task and it cant even load task manager However, in Safe mode it runs like a dream, no problems whatsoever, except that because the sound drivers aren't loaded its not much fun and want to try and get normal mode back.
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Oct 12, 2010
How do you repair task manager in windows 7?
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Nov 15, 2010
Alright well the other day i switched from using Avast to MSE. After the switch it seems that my memory, and my cpu is being used a lot. Even when i am not running anything besides the AV, and Windows Task Manager, and the little processes.I have scanned my computer for viruses, malware, spyware, and even did a disk defrag. I also closed any processes that i know are not required.
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Dec 6, 2011
I use windows 7 ultimate x86 edition. I can not run task manager.Whenever i try to run this....it shows taskmgr.exe is not a valid win32 application. I use kaspersky 2012 antivirus. It does not detect any virus that might cause the problem. I have tried to run task manager from command prompt or system32 directory as administrator, but it shows the same error. How can i solve this?
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Oct 25, 2012
In windows Xp ctrl + alt+ delete brings task manager right away, but in Win 7 it goes to this annoying blue start screen with 5 options...
How can I get task manager to to to well...taks manager in one step like in XP?
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Oct 15, 2011
I never trust in CNET Downloads.url
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Oct 28, 2011
Norton let a virus through. I ran a scan in safe mode, and found some viruses, but my CPU usage was still unusually high. I ran Malwarebytes in safe mode, and found something, but my PC BSOD'd before it could be removed. It then rebooted, and regular Windows would not start. When it eventually started, it reported that it had shut down, error code 0xf4. Also, in safe mode, while loading it showed it was loading 'NISx64'. I guess this is Norton, so could the BSOD be caused my multiple AV programs running at the same time? I downloaded Super Anti Spyware. This also found a virus, but then BSOD'd. Windows then persisted to not function, so I ran multiple recovery discs, none of which worked, for example Kaspersky reported that the security database was corrupt. Is there a way to get rid of the infection without formatting the system?
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Jul 12, 2012
I have a small problem with my Windows 7. Here's what happened:Yesterday, my pc was running fine. I turned it on at 10am and it was running well. My sister ordered a new router so I set it up for her (AirPort Extreme). I installed the utility for it, was a simple setup for me. After that, I connect to it wirelessly and I see that windows update has a few security updates. They install as I turn off the pc. I then turn it back on a few hrs later and notice that when it reaches the login screen, it takes a few secs for it to load. This is unusual being that the days before it was always ready to receive input. So I login, get the welcome screen, and my desktop screen. Taskbar loads as usual, however I can't get anything to show up when I click on it. I think at first that its Comodo (is in training mode) so I close it out. Still nothing. I then press ctrl+alt+delete. Nothing. I then press it rapidly to see what happens. After a few mins, my screen turns black. A message then shows up that ctrl+alt+delete has been pressed but due to something that it won't show up. Had to press either the power button or esc to leave the screen. Safe mode works. I do a system restore back to when the windows update and to the installation of the router. I scanned and haven't found anything yet. Today, my pc looks like its running fine but its still taking a few secs on the login screen and the desktop still idles. I'm going to contact HP to see what they can do but I wanted a second opinion.
Here's my specs (looks like this):
HP Pavilion dv7t-7000 Quad Edition
Windows 7 Home Premuim 64-bit
Intel core i7-3820QM CPU @ 2.70GHz
8GB RAM
1TB hard drive
NVIDIA GeForce GT 650M
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Oct 18, 2010
When I open the task manager, the screen appears, but when I click on the "End Task" button nothing happens. The rest of the functions (processes,Services etc) are working ok. I have downloaded a Task Manager Fix program and ran it, but am still not able to end tasks.
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Apr 14, 2012
i am looking for instructions to setup a new task. I haven't used the schedule manager before, but if your clear on explanations, I am an IT Technical Support - so I'll know what your talking about...I want to be able to setup a new task in which..When I go through my 'External Hard Drive' (browsing through folders) when I open a specific folder, I want a windows notification to appear on the screen with a message.I have been browsing through the commands for a few hours now and am unsure which option to select and how to properly set this up.
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Jun 11, 2012
After downoading some windows critical updates (this is about 6 months ago) my computer would lock up after windows started and I could no do anything until I started task manager. All I have to do is start task manager and close it and then everything is fine. Becuase of this, I just didnt bother trying to find a fix but I wondered if anyone has advice on how to correct this problem.
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Mar 14, 2011
I've received a private sale computer with windows 7. It appears the task manager and regedit have been disabled by the administrator. I have administrator status of the machine. Am currently running several anti virus / anti spyware programs, but trying to restoring the functionality of regedit, task manager, and any other potentially affected items
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Nov 1, 2012
So this started happening around 3 days ago. I really have no idea what to call it, but when I open things like task manager or computer the text on the windows are discolored/pixelated. The last thing I downloaded before it started happening was Manycam, but I don't think that's the cause of the problem. Text on internet browsers are fine, but it also happens when I hover over links. Also, I can't check my computer specs because I can't read them, since the text is all discolored and messed up.
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Nov 25, 2012
I just noticed that I cannot open my task manager anymore, I right clicked on my task bar and click on Start task manager and nothing happens, did also the CTRL + ALT + DEL then click on Start task manager still nothing, no recent changes made in computer or newly installed programs.
Operating system windows 7 Ultimate 32 bit
2 GB RAM
AMD Dual Core 2.8 Ghz
1 GB VC
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Apr 27, 2011
I have had multiple instances now where Windows 7 hung after I started up and logged into an account. It seems to happen when I try to start a program by double-clicking on it. For example, it has hung when I tried to start CCleaner or Firefox. When I get into this state, Ctrl-Alt-Del does nothing. In some cases, I can right-click on the Taskbar and choose "Task Manager," but it won't run (I just get the hourglass cursor). Today I tried to start Firefox and nothing happened, and the hourglass cursor shows in the Taskbar, so I can't even see the menu for the Task Manager.
This is happening on a Toshiba laptop running Windows 7 Home Premium 64-bit. It seems to occur when I don't wait long enough for the login to finish. When it happens, the only way out is to hold down the power key until it shuts off the system. Of course Windows is too stupid to tell me when it is done loading stuff into memory and starting its services; why can't they simply tell me when the login process is done and the system is ready to use? I find it infuriating that a supposedly multi-threaded, multi-tasking operating system can be so flaky. But enough of my rant; on to the possible cause:
I strongly suspect that my problems may be caused by SpySweeper, since it seems to be the last program that loads at login. (Or at least it's the last one to put up an annoying splash screen.) I use the following programs on my machine:
Windows Defender
Avast! Antivirus
Malwarebytes Anti-Malware
SuperAntiSpyware
Spybot Search & Destroy
SpySweeper
I have read that SpySweeper sometimes conflicts with other programs, so I turned off real-time protection for Windows Defender. I have read conflicting opinions on whether SpySweeper conflicts with Spybot's TeaTimer program. Do I need to somehow turn off TeaTimer too?
Even if SpySweeper is the cause of my problems, I find it very disturbing that misbehaving or even deadlocked application programs should be able to prevent the Task Manager from running.
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Jan 16, 2012
I am currently experiencing consistent restarting (every few seconds) of Windows Explorer on my PC. And this has caused the desktop to be unavailable/inaccessible. I'm desperate . To find out the error which is causing this, I need to access task manager (event viewer), which is also unavailable (greyed out when I right click on the task bar). By accessing the task manager, I hoped to stop the windows explorer process so that I can at least access to my school project. I cannot afford to reload the OS (Windows 7 Pro) as this will affect my school project.
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Aug 28, 2012
For some reason task manager folder got deleted when I try to open task manager it says this: "Windows cannot find 'C:windowssystem32 taskmgr.exe make sure you typed the name in correctly".
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Sep 27, 2011
Windows 7 Premium 64 bit's Task Manager used to show a bar with pplications/Processes etc., with lists below making it possible to "end-now" some apps and stop some processes at least for a while to save on CPU/Memory usage. There was also provision by a menu bar at the top of Task Manager window to shut down pc etc., from within the task manager.Presently my Windows 7 Premium 64 bit's Task Manager shows only what looks like a list of processes (Not Applications) topped by a head-bar having Name/PID/Description/Status/Group and a selectable button at the bottom right for Services.(I could have uploaded ascreen if this Ask Your Question Form had provided for attachments!).I suspect this change in Task Manager came after some new installs - Windows Updates etc.
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Apr 2, 2012
Since about a couple weeks ago my computer has been working fine. Then when i woke up on March 25, the minute my computer started i received an error message. I thought everything was alright but when i went to open my browser i received the message " The procedure entry point _except_handler4_common could not be located in the dynamic link library msvcrt.dll." and "The procedure entry point _ftol2could not be located in the dynamic link library msvcrt.dll.". Everytime i try opening a programs like Photoshop,Word, Malwarebytes and ESET... it gives me that message(I tried dowloading and running rkill with different names but the message also popped up). Strangly I can still open SuperAntiSpyware and open games like Chess. I have tried running Microsoft Security Esssentials with no results. I have tried running SuperAntiSpyware in all modes (including the rescue scan) and it said that everything is clean. When i clicked on something that was only avaliable to the paid version my internet browser(Internet Explorer) popped up(So i think its like the Security scam that does not let you use programs).
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Feb 5, 2012
After loading minecraft and playing for a few minuets trying to close it minecraft freezes up the entire computer even task manager and then we must shut the computer off by the main power and after a few minuets of freezing it comes back to normal what is the problem?
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Mar 2, 2012
Is this a normal Windows 7 error? I want to install League Of Legends but after I pressed yes to Administrator permissions to the program, then there is nothing, apart from Task manager says it is running, but I can not see anything on the desktop? I cant stop the program in task manager, which I think is a little weird?
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