Mfc42d.dll errors are caused by situations that lead to the removal or corruption of the mfc42d DLL file, the debug version of mfc42.dll.
mfc42.dll is missing in Windows 11 | How to Download and Fix Missing DLL File Error – 100% Working
Follow these steps in the order they are listed below to try the simpler solutions first.
Recover mfc42d.dll from Recycle Bin The simplest possible cause of a "missing" mfc42d.dll file is that you accidentally deleted it.
If you suspect this, but you've already emptied the Recycle Bin, you may be able to recover the file with a free data recovery program.
