Why 64-bit Windows Users Face Login or Other Problems After Modifying System Files Using Resource Hacker?
Recently I posted a tutorial about launching your favorite programs, games, etc using "Ease of Access" button present in Windows login screen:
In above tutorial, I told you that I faced login problem after modifying and saving a DLL file in Windows 7 64-bit (x64). It made the system broken and I had to restore default DLL file to fix the problem.
Recently an AskVG reader "Stägämies" asked me how to move command bar or folder band at bottom in Windows 7 Explorer? Again I tried to modify system files using my favorite tool Resource Hacker but again I faced similar login and other kind of problems. Windows started showing error messages like:
(0xc000007b) The application was unable to start correctly.
(0xc0000142) [AtBroker.exe] The application failed to initialize properly.
And I was not able to log into Windows. It was very annoying because every time I modified a file and restarted Windows, I couldn't log into Windows.
Then I tried to do the same process in a 32-bit (x86) edition of Windows 7 and it worked without any problem. No login or other kind of problems. That was really weird. It was surprising for me that one method was causing problems in 64-bit edition of Windows but the same method was working fine in 32-bit edition of Windows.
I always recommend 64-bit Windows users to replace original system file with your modified file in "SysWOW64" folder as well because 64-bit Windows contains an extra system folder "SysWOW64" which contains almost same files which are present in "System32" folder. So its always advisable to replace system files in SysWOW64 folder as well.
But my case was different. I was already replacing the modified DLL file in SysWOW64 folder as well but the login problem was always occurring whenever I was replacing files.
At last I found the reason behind login and other problems while modifying system files in a 64-bit Windows edition!
The reason is, when we directly open a 64-bit system file in Resource Hacker and save it at any other location, Resource Hacker creates its copy as a 32-bit file. And when we replace original 64-bit system file with our modified file and restart our system, Windows doesn't find 64-bit file and starts showing error messages. It happens because we replaced original 64-bit file with our new 32-bit file.
So what's the solution? The solution is, first copy the system file which you want to modify and paste it at some other location for example Desktop. Now when you'll modify it using Resource Hacker or any other similar tool such as Resource Tuner or Restorator, you'll be able to directly save the file after modifications because the file will not be in use by Windows.
Since you would be saving the same file, the file will remain as a 64-bit file. Now you can replace original system file with your modified file by first taking ownership of the original file and then renaming it to some other name and at last copy your modified file to same folder.
So the bottom line is, if you are a 64-bit Windows user and want to modify a system file, do not directly modify and save the file in your Windows. First copy it to some other place and then modify and save it. This method will keep the file as a 64-bit file and Windows will accept it without any problem.
A few users have faced such kind of problems while editing system files in 64-bit Windows, so I have modified all those tutorials and have put these new instructions. Some of them are as following:
- How to Move / Show "Details Pane" at Top in Windows Vista and 7 Explorer?
- How to Remove "Branding Logo" and "Ease of Access" Button from Windows Login Screen?
- How to Remove Shut Down Button from Windows Login Screen?
Now 64-bit Windows users will not face any problem after modifying system files and they'll be also able to enjoy Windows customization.
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