How to Fix Mfc42d.dll Errors
Do not download mfc42d.dll from a “DLL download” website.
There are many reasons whydownloading a DLL file like that is a bad idea.
Restore mfc42d.dll from the Recycle Bin.
The easiest possible cause of a “missing” mfc42d.dll file is that you’ve mistakenly deleted it.
Install Microsoft Visual Studio 6 to safely download mfc42d.dll.
Reinstall the program that uses the mfc42d.dll file.
Run a virus/malware scan of your entire system.
Use System Restore to undo recent system changes.
Update the drivers for hardware devicesthat might be related to mfc42d.dll.
The mfc42d.dll 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.
fire off the sfc /scannow System File Checker commandto replace a missing or corrupt copy of the mfc42d.dll file.
If this DLL file is provided by Microsoft, theSystem File Checkertool should restore it.
Install any available Windows updates.
Manyservice packsand otherpatchesreplace or update some of the hundreds of Microsoft distributed DLL files on your rig.
The mfc42d.dll file could be included in one of those updates.
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 mfc42d.dll related issues in the registry.
We rarely recommend the use of registry cleaners.
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 mfc42d.dll error, this should be your next course of action.
All the information on your hard drive will be erased during this step.
Troubleshoot for a hardware problemif any mfc42d.dll errors persist.
After a clean Windows installation, your DLL problem can only be hardware related.
Need More Help?
There are several ways mfc42d.dll errors can show up on your rig.
The context of the error is an important piece of information that will be helpful while solving the problem.
