There are several different ways that crypt32.dll errors can show up on your computer. Here are some of the more common ways that you might see crypt32.dll errors.

• Crypt32.dll Not Found
• This application failed to start because crypt32.dll was not found. Re-installing the application may fix this problem
• Cannot find [PATH]\crypt32.dll
• The file crypt32.dll is missing
• Cannot start [APPLICATION]. A required component is missing: crypt32.dll. Please install [APPLICATION] again
  Crypt32.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 crypt32.dll error is an important piece of information that will be helpful while solving the problem. Restore crypt32.dll from the Recycle Bin. The easiest possible cause of a “missing” crypt32.dll file is that you’ve mistakenly deleted it.

If you suspect that you’ve accidentally deleted crypt32.dll but you’ve already emptied the Recycle Bin, you may be able to recover crypt32.dll with a free file recovery program.

• Run a virus/malware scan of your entire system. Some crypt32.dll errors could be related to a virus or other malware infection on your computer that has damaged the DLL file. It’s even possible that the crypt32.dll error you’re seeing is related to a hostile program that’s masquerading as the file.
• Use System Restore to undo recent system changes. If you suspect that the crypt32.dll error was caused by a change made to an important file or configuration, a System Restore could solve the problem.
• Reinstall the program that uses the crypt32.dll file. If the crypt32.dll DLL error occurs when you use a particular program, reinstalling the program should replace the file.
• Update the drivers for hardware devices that might be related to crypt32.dll. If, for example, you’re receiving a “The file crypt32.dll is missing” error when you play a 3D video game, try updating the drivers for your video card.

The crypt32.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. Roll back a driver to a previously installed version if crypt32.dll errors began after updating a particular hardware device’s driver.

Run the sfc/scannow System File Checker command to replace a missing or corrupt copy of the crypt32.dll file. Since this DLL file is provided by Microsoft, the System File Checker tool should restore it.