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Windows 7: Error: the application was unable to start correctly (0xc0000005).

19 Jul 2014   #1
GregH

Windows 7 - x64 Professional
 
 
Error: the application was unable to start correctly (0xc0000005).

Hi all,

PC was running fine and shut down correctly. Came to switch it back on and get the above error message on just about every application I click on. No errors on booting up to the Desktop though. Same problem whether it is a shortcut or the actual .exe file. Seems not to affect the 64 bit applications but all 32 bit applications will not start. Even clicking a .pdf document gives this error. Also seems that some Windows stuff is not working properly. For example I can access the Device Manager by clicking its icon directly in the Control Panel but not by clicking it from a a link in a different Control Panel section (just does not respond to the click).

System is Windows 7 X64. Last Windows update ran 3 days ago so I don't think t has anything to do with that?

I ran Bit Defender Anti Virus (up to date virus definitions, paid for version) and it ran OK as it is a 64 bit app and it did not find anything on the virus front. I don't think is is a virus. Also ran C Cleaner a few times. I have not tried a system restore yet but nothing new has been installed, only a Steam update ran in the previous session.

Any ideas welcome, a reformat is too much to consider right now Please help!

PS: I Google'd this and others reported similar issues about a year back and it was attributed to a bad Windows update back then.


My System SpecsSystem Spec
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19 Jul 2014   #2
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

If it was my computer after checking for infection which you have done. I would use the restore point. Then I would run
sfc /scannow as per this tutorial by Brink.

SFC /SCANNOW Command - System File Checker

The problem does have the smell of a infection or a PUP.
You could also run Malwarebytes.

No security program finds 100% of everything 100% of the time.

Then check Windows Updates.
If it gives new updates install them one at a time and verify no problems.

P/S: What big case do you have?
My System SpecsSystem Spec
20 Jul 2014   #3
GregH

Windows 7 - x64 Professional
 
 

Thanks Layback Bear,

I tried running System Restore and it returned an error with a note to disable my AV first and try again. I disabled the AV and before running Sys Restore, noticed that everything was working! Turned the AV back on and the error was back. So it seems the issue is with my AV blocking any 32 bit application from running. Even Internet Explorer won't run on this PC. I am going to post my findings on the Bit Defender website to see if they know what this might be. Maybe a corrupt virus definition update? I have 3 PC's running this version of Bit Defender and the other 2 are not affected. Can't rule out that my 7 year old son who's PC this is has not somehow invited a virus or malware onto it.....

Simply turning UAC off completely did not fix the problem either.

Not sure what you mean by "what big case do you have?" The PC is a hand me down to my 7 year old from me when I upgraded my machine, i5 2320 with a GTX480, 8 GB of RAM, Win Home Prem with SP 1. It was a home build, not off the shelf. A couple years old now.
My System SpecsSystem Spec
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20 Jul 2014   #4
Sir George

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by GregH View Post
Thanks Layback Bear,

I tried running System Restore and it returned an error with a note to disable my AV first and try again. I disabled the AV and before running Sys Restore, noticed that everything was working! Turned the AV back on and the error was back. So it seems the issue is with my AV blocking any 32 bit application from running. Even Internet Explorer won't run on this PC. I am going to post my findings on the Bit Defender website to see if they know what this might be. Maybe a corrupt virus definition update? I have 3 PC's running this version of Bit Defender and the other 2 are not affected. Can't rule out that my 7 year old son who's PC this is has not somehow invited a virus or malware onto it.....

Simply turning UAC off completely did not fix the problem either.

Not sure what you mean by "what big case do you have?" The PC is a hand me down to my 7 year old from me when I upgraded my machine, i5 2320 with a GTX480, 8 GB of RAM, Win Home Prem with SP 1. It was a home build, not off the shelf. A couple years old now.
"Case A big one :-)" is what you wrote in your system specs. I believe the question from Layback Bear is more in line with a humorous idol curiousity and not related to your problem.

HTH
My System SpecsSystem Spec
20 Jul 2014   #5
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

Correct Sir George just curiosity on the case.

Why Bitdefender on this one system is a problem I really don't know.
I have never used it. Take a look in the problem computer and a working computer and see if Bitdefender has the same setting in both systems.

Who make sure that your sons PC is kept up to date?
Windows Up Dates, security updates ect.?

Could you check the computer and see what programs have been installed? Something might get your attentions.
Check for Advanced System Care or anything by IObit for sure.

Did you do this?


SFC /SCANNOW Command - System File Checker
My System SpecsSystem Spec
21 Jul 2014   #6
GregH

Windows 7 - x64 Professional
 
 

Ah OK :-) sorry, I was half asleep on that one!

My case is a Xigmatek (or something like that). A big one referring to the size - one of those bigger towers so there is lots of space to work with and keep it neat. Fortunately that PC is not the one that is affected here, but my son's PC which is pretty much only used for his games and a little homework. Does concern me that this PC is on the same wireless network as mine and in the fear that it is a virus, I have disconnected it from the network.

His PC is set to automatic updates for Windows and AV. I usually keep a check on from time to time.

The guys from Bit Defender have been helpful and also suggested similar to what has been posted here:
Run chkdsk /r from a cmd prompt (running as admin) and then if that did not work, to run the sfc /scannow command. Both reported errors and both claimed they could not fix everything. After running both with and without the AV switched on, still have the same issue.

I also ran a system restore which appeared to run OK to a date two days prior to this issue and that did not resolve the problem.

I will post here if I win with this issue (I have opened a support ticket with Bit Defender and they have been very willing to assist), or any other ideas welcome. Just seems strange that with the AV off, everything seems to work OK, with it on, nothing works. Does that not point to an AV issue? Surely that fact along indicates that the files and the disk are not corrupt? If they were corrupt they would not work, regardless of AV on or off. I might try uninstalling Bit Defender tonight and then re-installing to see what effect that has.
My System SpecsSystem Spec
22 Jul 2014   #7
GregH

Windows 7 - x64 Professional
 
 

UPDATE: At Bit Defenders request I have run a series of logs and emailed these to them. I also downloaded and installed Malwarebytes and ran the updater to get the latest definitions. Surprisingly, it detected 3 threats which it called "Forged Physical Sector" on Master Boot of Volume #0.

I ran Malwarebytes a few times and each time it said it quarantined and cleared this, requested a reboot, which I did. But a new scan would present the same issues, and the same error when trying to open files. Sometimes it would report only 1 or 2 of these Forged Physical Sectors remained.

Then I ran Malwarebytes in Windows "F8 Safe Mode" and although the program still reported the threat after a reboot, all the problems of opening files were gone! In other words, I could once again run applications. So it seems to me that this is the issue.

Surprised that a free download (trial version) of Malwarebytes was able to detect this and a paid up subscription to Bit Defender (Internet Security 2014) does not (or perhaps it does and this is why it is blocking apps from running - but giving cryptic error messages instead of saying something simple like "you got a virus there buddy!".

Now the challenge is to get rid of it properly. I am reporting my findings to the Bit Defender help desk also, but any ideas on how to deal with this?

Cheers!
My System SpecsSystem Spec
22 Jul 2014   #8
Layback Bear

Windows 7 Pro. 64/SP-1
 
 

You are gaining on it, that is good.
While you are waiting for BD to get back to you here is another great program I use.

ESET Free Online Scanner :: Complete Malware Detection :: ESET


Again remember nothing finds ever infection 100% of the time.
It's free to try but it is slow.

If you have any backups they are probable also infected. I wouldn't use them.
If the backups are very important I would scan them also.

Here are some instruction for one of our security experts, Jacee

I will go to the ranch and ask for help from a security expert.
Just to make sure your computer is clean.


I'd like you to scan your machine with ESET OnlineScan
  1. Hold down Control and click on the following link to open ESET OnlineScan in a new window.
    ESET OnlineScan
  2. Click the button.
  3. For alternate browsers only: (Microsoft Internet Explorer users can skip these steps)
    1. Click on to download the ESET Smart Installer. Save it to your desktop.
    2. Double click on the icon on your desktop.
  4. Check
  5. Click the button.
  6. Accept any security warnings from your browser.
  7. Check
  8. Push the Start button.
  9. ESET will then download updates for itself, install itself, and begin scanning your computer. Please be patient as this can take some time.
  10. When the scan completes, push
  11. Push , and save the file to your desktop using a unique name, such as ESETScan. Include the contents of this report in your next reply.
  12. Push the button.
  13. Push
My System SpecsSystem Spec
22 Jul 2014   #9
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

In addition to Layback Bears advice try these

http://www.sevenforums.com/tutorials/433-disk-check.html < use the /f option in Option 2 ifnecessary

http://www.superantispyware.com/

http://www.malwarebytes.org/products/malwarebytes_free/

http://www.bleepingcomputer.com/download/adwcleaner/

download from bleeping computer delete any rubbishthese find.

There are others you can run too like these
Emsisoft Free Emergency Kit: portable malware scanner | Free removal of Viruses,Bots, Spyware, Keyloggers and Trojans < you only need run the Emergency scan and the Command line scan
for something that runs from boot

Download Kaspersky Rescue Disk 10
My System SpecsSystem Spec
22 Jul 2014   #10
Slartybart

x64 (6.3.9600) Win8.1 Pro & soon dual boot x64 (6.1.7601) Win7_SP1 HomePrem
 
 

Quote   Quote: Originally Posted by GregH View Post
UPDATE: At Bit Defenders request I have run a series of logs and emailed these to them.

I also downloaded and installed Malwarebytes and ran the updater to get the latest definitions. Surprisingly, it detected 3 threats which it called "Forged Physical Sector" on Master Boot of Volume #0.

I ran Malwarebytes a few times and each time it said it quarantined and cleared this, requested a reboot, which I did. But a new scan would present the same issues, and the same error when trying to open files. Sometimes it would report only 1 or 2 of these Forged Physical Sectors remained.
.....
This is not a good thing - it's indicative of Rootkit infections.

Finish following what others have suggested and I'll come back with another scanner suggestion after I see some logs.

Please post any logs form the scanners you have already run.

Thanks,

Bill
.
My System SpecsSystem Spec
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