In some cases, mfc42d.dll errors could indicate a registry problem, a virus or malware issue, or even a hardware failure.
Mfc42d.dll Errors
There are several different ways that mfc42d.dll errors can show up on your computer. Here are some of the more common ways that you might see mfc42d.dll errors:
Mfc42d.dll Not FoundThis application failed to start because mfc42d.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\mfc42d.dllThe file mfc42d.dll is missing.Cannot start [APPLICATION]. A required component is missing: mfc42d.dll. Please install [APPLICATION] again.
Mfc42d.dll error messages might appear while using or installing certain programs when Windows starts or shuts down, or maybe even during a Windows installation. The context of the mfc42d.dll error is an important piece of information that will be helpful while solving the problem.
How to Fix Mfc42d.dll Errors
Need More Help?
If you’re not interested in fixing this problem yourself, see How Do I Get My Computer Fixed? for a full list of your support options, plus help with everything along the way like figuring out repair costs, getting your files off, choosing a repair service, and a whole lot more. If you suspect that you’ve accidentally deleted mfc42d.dll but you’ve already emptied the Recycle Bin, you may be able to recover mfc42d.dll with a free file recovery program. The mfc42d.dll file may or may not be related to video cards—this was just an example. The key here is to pay very close attention to the context of the error and troubleshoot accordingly. If the hardware fails any of your tests, replace the memory or replace the hard drive as soon as possible. We rarely recommend the use of registry cleaners. They’ve been included as an option here as a “last resort” attempt before the destructive step coming up next.