This is an old copy of the Python FAQ. The information here may be outdated.

Missing cw3215mt.dll (or missing cw3215.dll)

Sometimes, when using Tkinter on Windows, you get an error that cw3215mt.dll or cw3215.dll is missing.

Cause: you have an old Tcl/Tk DLL built with cygwin in your path (probably C:\Windows). You must use the Tcl/Tk DLLs from the standard Tcl/Tk installation (Python 1.5.2 comes with one).

CATEGORY: windows

CATEGORY: tkinter


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