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Windows 7: No default programs working. System32/disk error?

14 Mar 2011   #1
AaronPe

Windows 7 Professional x64
 
 
No default programs working. System32/disk error?

Roughly six hours ago I was using my computer and, with out warning, everything started crashing (including explorer.exe, chrome etc.). The only program that was still working (that I could see) was Skype, because I was talking to somebody while it happened.
I tried hitting CTRL+ALT+DELETE. The menu did not come up and I received how it could not run the menu.

I restarted my computer normally. I got two messages when I restarted. One of them told me how iTunes did not install properly (I've had iTunes for a long time now and haven't touched it in months) and another saying how Windows could not display certain errors do to a .DLL not working and that I have to reinstall the .NET framework.

I took a screenshot and tried opening paint.exe, but when I did, I got the warning:

Unable to create new document

I am unable to access notepad, computer management, device manager etc.

I ran a virus scan this morning and found nothing. I have also not downloaded anything significant since the crash.

It almost seems like a lot of the system programs and files are not working/corrupted.
I am unable to run sfc.exe, however I was able to get a disk check working through cmd and it apparently fixed the problems.

Eventually, I gave up and put in my Windows 7 disk to do a reinstall/repair. The setup would start, say:

'WINDOWS COULD NOT RETRIEVE INFORMATION ABOUT THE DISKS ON THIS COMPUTER"


I've been looking around for a fix all night now, nothing has worked.


My System SpecsSystem Spec
.

14 Mar 2011   #2
DeanP

Win 7 Pro x64 SP1 OS X Snow Leopard 10.6.7
 
 

My System SpecsSystem Spec
14 Mar 2011   #3
AaronPe

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by DeanP View Post
Unable, I type it in, hit enter and it just starts a new line.
As stated, I am also unable to run sfc.exe.
My System SpecsSystem Spec
.


14 Mar 2011   #4
DeanP

Win 7 Pro x64 SP1 OS X Snow Leopard 10.6.7
 
 

Just wondering what AV you used to do virus scan?
My System SpecsSystem Spec
14 Mar 2011   #5
AaronPe

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by DeanP View Post
Just wondering what AV you used to do virus scan?
I'm using a legit copy of NOD32.
My System SpecsSystem Spec
14 Mar 2011   #6
AaronPe

Windows 7 Professional x64
 
 

I'm up for any fix at this point. I can't access a huge amount of my computer's options.
My System SpecsSystem Spec
14 Mar 2011   #7
DeanP

Win 7 Pro x64 SP1 OS X Snow Leopard 10.6.7
 
 

Boot into Safe Mode with Networking, download Malwarebytes and do few scans.

-- You don't need to uninstall ESET - Malwarebytes is a malware/spyware program, not AV.
My System SpecsSystem Spec
14 Mar 2011   #8
AaronPe

Windows 7 Professional x64
 
 

I did a Quick Scan. One infected. Here are the results:


Malwarebytes' Anti-Malware 1.50.1.1100
Malwarebytes

Database version: 5363

Windows 6.1.7600
Internet Explorer 8.0.7600.16385

3/14/2011 11:36:57 PM
mbam-log-2011-03-14 (23-36-50).txt

Scan type: Quick scan
Objects scanned: 154862
Time elapsed: 3 minute(s), 31 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 1
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_CLASSES_ROOT\regfile\shell\open\command\(default) (Broken.OpenCommand) -> Bad: ("regedit.exe" "%1") Good: (regedit.exe "%1") -> No action taken.

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)


Should I remove the infected reg data?

I'm also starting a full scan now to make sure there is nothing else.
My System SpecsSystem Spec
14 Mar 2011   #9
AaronPe

Windows 7 Professional x64
 
 

Also, the message I get when I start windows is:

A fatal error occured. However, mscorees.dll could not be loaded to display the appropriate error message.

Please reinstall the .NET framework.


I've tried reinstalled several different versions of the .NET framework and all of them have failed/crashed.
My System SpecsSystem Spec
14 Mar 2011   #10
AaronPe

Windows 7 Professional x64
 
 

I just tried starting ESET NOD32 and it came up with the error message:

"C:\Program Files\ESET\ESET NOD32 Antivirus\egui.exe

File system error (14001)."

The AV did not open.
My System SpecsSystem Spec
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 No default programs working. System32/disk error?




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