cygwin1.dll File Information
  • DLL File Name:cygwin1.dll
  • File Type:Win32/64 DLL
  • Product Name:Cygwin
  • Developer:Red Hat
  • File Version:4 versions available
  • File Size:948.32KB - 3.11MB
  • Language Code:English (U.S.)
  • Character Set:Unicode
  • MD5 Checksum:Multiple Files
  • Copyright:Copyright © Red Hat, Inc. 1996-2003

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Cygwin1.dll Errors and Solutions

cygwin1.dll is a Cygwin POSIX Emulation DLL from Red Hat part of Cygwin. Cygwin is a Linux-like environment for Windows

The file cygwin1.dll is a 32/64bit Windows DLL module for Cygwin software or other related programs. The file and the associated Cygwin software was developed by Red Hat. The file was licensed as Copyright © Red Hat, Inc. 1996-2003.

cygwin1.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.

  • This application failed to start because cygwin1.dll was not found.
  • The file cygwin1.dll is missing or corrupted.
  • A required component is missing: cygwin1.dll. Please install the application again.
  • Error loading cygwin1.dll. The specified module could not be found.
  • The program can't start because cygwin1.dll is missing from your computer. Try reinstalling the program to fix this problem.
  • Cygwin1.dll is either not designed to run on Windows or it contains an error.

To fix the error, you need to copy the missing cygwin1.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. There are 4 different versions of the dll file available for download with sizes between 948.32KB - 3.11MB.

How to Install cygwin1.dll

You can download cygwin1.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).

Install DLL File to Program Folder

Copy the extracted cygwin1.dll file to the installation folder of the application or game.

Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.

Register DLL File Using Microsoft Regsvr

Copy the file to "C:\Windows\System32\"

You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.

Open the Start Menu and before clicking anywhere, type "cmd" on your keyboard.

Right-click the "Command Prompt" search result and click the "Run as administrator" option.

Paste the following command into the Command Line window that opens up and press Enter key.

%windir%\System32\regsvr32.exe cygwin1.dll

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Download cygwin1.dll
Version OS Size Language Download
1007.34.0.0 64bit 3.1MB English Download
1007.33.0.0 64bit 3MB English Download
1005.18.0.0 32bit 1.2MB English Download
1003.22.0.0 32bit 948.3KB English Download

Please note : This is a free download. No guarantees or warranties are given or implied. Please download and install the file at your own risk...

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