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Windows error 0xc0000005

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I downloaded Malwarebytes and Emsisoft yesterday to correct a malware problem I was having in Chrome.  That problem has been corrected. I also have ZoneAlarms free version of firewall and antivirus.  Today I am getting this error:

"The application was unable to start correctly (0xc0000005). Click OK to close the application"

whenever I try to open just about any program: word, excel, quickbooks, adobe, games, etc.  Chrome works. Malwarebytes wont open but shows its running in the task bar.


I have already tried changing the value of AppInit_Dlls to 1 at this location: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\AppInit_Dlls and at WOW6432node location, These had no effect.  I have also been able to run windows update which did not correct the error.  I have tried to remove Emsisoft and Malwarbytes but I am unable to remove either of them.  I have also tried to restore Windows to a date prior to installing these programs and I is unable to complete.  


Please help.



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  • 10 months later...

Hi Firefox, how are you?.  Thank you for your valuable support.

The attached files corresponds to

  • PC1 print-screen( the one that manifested the problem (0xc0000005))
  • PC2 file scan logs (this one had the same malware but not manifested the problem (0xc0000005))

Both pcs were infected, and in the same network. 

Thank you.




2018.02.02 resultado scan malwarebytes.txt

2018.02.02 Ação ao resultado scan malwarebytes.txt

2018.02.02 relatorio da ação ao resultado scan malwarebytes.txt

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Just removing the ASK toolbar PUP should not have this sort of effect on a computer...

Let's try and get some logs so the team can review them and see if they can tell what may be causing your issues....

  1. FIRST: Create and obtain Farbar Recovery Scan Tool (FRST) logs
  2. Download FRST and save it to your desktop
    Note: You need to run the version compatible with your system. You can check here if you're not sure if your computer is 32-bit or 64-bit
  3. Double-click to run FRST and when the tool opens click "Yes" to the disclaimer
  4. Press the "Scan" button
  5. This will produce two files in the same location (directory) as FRST: FRST.txt and Addition.txt
    • Leave the log files in the current location, they will be automatically collected by mb-check once you complete the next set of instructions
  6. NEXT: Create and obtain an mb-check log
  7. Download MB-Check and save to your desktop
  8. Double-click to run MB-Check and within a few second the command window will open, press "Enter" to accept the EULA then click "OK"
  9. This will produce one log file on your desktop: mb-check-results.zip
    • This file will include the FRST logs generated from the previous set of instructions
    • Attach this file to your forum post by clicking on the "Drag files here to attach, or choose files..." or simply drag the file to the attachment area


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