There are many reasons whydownloading a DLL file this way is a bad idea.
Restore user32.dll from the Recycle Bin.
The easiest possible cause of a “missing” user32.dll file is that you’ve mistakenly deleted it.
Run a virus/malware scan of your entire system.
Use System Restore to undo recent system changes.
trigger the sfc/scannow System File Checker commandto replace a missing or corrupt copy of the user32.dll file.
Since this file is provided by Microsoft, theSystem File Checkertool should restore it.
Try your best to complete this step.
Restoring the original user32.dll file is a likely solution to this DLL error.
Reinstall the program that uses the user32.dll file.
If the error happens when you use a particular program, reinstalling the program should replace the file.
One of them might ring a bell and point you to the program you should try reinstalling.
Install any available Windows updates.
Manyservice packsand otherpatchesreplace or update some of the hundreds of Microsoft distributed DLL files on your gear.
The user32.dll file could be included in one of those updates.
Update the drivers for hardware devicesthat might be related to user32.dll.
This file may or may not be related to video cardsthis was just an example.
The key here is to pay very close attention to the context of the error and troubleshoot accordingly.
Test your memoryand thentest your hard drive.
If the hardware fails any of your tests,replace the memoryorreplace the hard driveas soon as possible.
Repair your installation of Windows.
Use a free registry cleanerto repair user32.dll related issues in the registry.
A registry cleaner program may be able to help by removing invalid user32.dllregistry entriesthat might be causing the error.
They’re included here as a “last resort” attempt before the destructive step coming up next.
Perform a clean installation of Windows.
This will erase everything from thehard driveand install a fresh copy of Windows.
If none of the steps above correct the error, this should be your next course of action.
All the information on your hard drive will be erased during a clean install.
Troubleshoot for a hardware problemif any user32.dll errors persist.
After a clean install of Windows, your DLL problem can only be hardware related.
Need More Help?
There are several ways user32.dll errors can show up on your setup.
The context of the error is an important piece of information that will be helpful while solving the problem.
