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Windows 7: explorer.exe - Application Error (0xc000007b) when logging in.

21 Sep 2012   #1
JG2206

Windows 7 Home Premium 64bit
 
 
explorer.exe - Application Error (0xc000007b) when logging in.

Hello everyone,

When i log in on my pc (on laptop at the moment) i get the message:

The application was unable to start correctly (0xc000007b). Click OK to close the application.

here are the steps i took for some context:
- I tried to install a custom theme
- took ownership of the 'explorerframe.dll' files in system32, and also in sysWoW64.
- copied both of them, and stored them somewhere else as a backup.
- renamed both originals to explorerframe001.dll, and kept them in their original places (system32 and syswow64)
- copied and pasted the new explorerframe.dll from the custom theme folder into system32 and syswow64.
- restarted, logged on, and the message came up, leaving me with a blank screen.

What would be a good way of resolving this issue without having to completely restore everything? I have read a few posts around involving the elevated command prompt, but i dont know how to start that without rightclicking cmd.exe in my start menu.
If anyone can give me a good walkthrough to follow, or a direction to take that would be greatly appreciated.
Thanks


My System SpecsSystem Spec
.

21 Sep 2012   #2
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Welcome aboard.

Try SFC /SCANNOW : Run in Command Prompt at Boot and let us know the situation.
My System SpecsSystem Spec
21 Sep 2012   #3
JG2206

Windows 7 Home Premium 64bit
 
 

Quote   Quote: Originally Posted by Arc View Post
Welcome aboard.

Try SFC /SCANNOW : Run in Command Prompt at Boot and let us know the situation.
thanks,
but at point 7, where, after i have entered the 'scf /scannow...' its says the following:
'Windows Resource Protection could not start the repair service.'

where do i go from here
My System SpecsSystem Spec
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21 Sep 2012   #4
Arc

Microsoft Community Contributor Award Recipient

Microsoft Windows 10 Pro Insider Preview 64-bit
 
 

Is the User Account Control enabled?
My System SpecsSystem Spec
21 Sep 2012   #5
JG2206

Windows 7 Home Premium 64bit
 
 

i believe i have it enabled for when things want to make changes.

Im having a look at potentially just using the system restore function of the system recovery options menu. The last restore point logged was only yesterday following a windows update, and since then i have not made any significant changes, or things i vitally need. Would you recommend just using this option?

EDIT: I used the system restore function, all is working normally now. Thankyou ARC for your help.
My System SpecsSystem Spec
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 explorer.exe - Application Error (0xc000007b) when logging in.




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