Cygwin1.dll Errors

There are several ways cygwin1.dll errors can show up on your computer. Here are some of the more common messages you might see:

Cygwin1.dll Not FoundThis application failed to start because cygwin1.dll was not found. Re-installing the application may fix this problem.Cannot find [PATH]\cygwin1.dllThe file cygwin1.dll is missing.Cannot start [APPLICATION]. A required component is missing: cygwin1.dll. Please install [APPLICATION] again.

Cygwin1.dll error messages might appear while using or installing certain programs. The context of the error is an important piece of information that will be helpful while solving the problem. The cygwin1.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 Cygwin1.dll Errors

Follow these steps in the order they’re presented to try the more helpful solutions first. If you suspect this, but you’ve already emptied the Recycle Bin, you may be able to recover cygwin1.dll with a free file recovery program. It’s possible that a program that needs this file is looking for it through an environment variable that’s missing or incorrect. You can fix this by adding the path of the DLL file (e.g., “C:\cygwin64") as an environment variable. See this Stackoverflow thread if you need help doing this.