In some cases, mfc90.dll errors could indicate a registry problem, a virus or malware issue, or even a hardware failure.

Mfc90.dll Errors

There are several ways mfc90.dll errors can show up on your computer. Here are some of the more common ways it might be presented:

Mfc90.dll Not FoundThis application failed to start because mfc90.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\mfc90.dllThis program can’t start because mfc90.dll is missing from your computer.The file mfc90.dll is missing.Cannot start [APPLICATION]. A required component is missing: mfc90.dll. Please install [APPLICATION] again.

These error messages might appear while using or installing certain programs, or when Windows starts or shuts down. The mfc90.dll error message could apply to any program or system that might utilize the file on any of Microsoft’s operating systems, including Windows 11, Windows 10, Windows 8, Windows 7, Windows Vista, Windows XP, and Windows 2000.

How to Fix Mfc90.dll Errors

Follow these steps in the order they’re given below to try the more likely fixes first.

Need More Help?

If you don’t think fixing this problem yourself is working out too well, 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 lot more. You’re given a few download options from Microsoft for this update, based on the version of Windows you have installed: x86 (32-bit) or x64 (64-bit). If you need the 32-bit version, download vcredist_x86.exe. The 64-bit version is called vcredist_x64.exe. Most people can ignore the download option with “ia” in the name, since it’s only relevant for Itanium CPUs normally used only on server hardware. If you suspect this, but you’ve already emptied the Recycle Bin, you may be able to recover the file with a free file recovery tool.