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A C program was compiled under Cygwin and run directly under Windows. The following runtime error was observed,
cygwin1.dll not found
Make sure that the environment variable, PATH, has the directory C:\gygwin\bin which contains the dll, cygwin1.dll.
On Windows Vista, this can be done as follows:
From Start menu, click Control Panel. Click System. Click
Advanced system settingsunder Tasks.
Advancedtab. Click the button
System Variablesfind the variable, Path. Click Path to select it. Click the Edit button to edit Path's value. Append
;C:\cygwin\bin(without quotes) to Path's value. Click OK.
- Close the dialogs and windows opened for updating Path. Restart the system.