git on Windows comes with its own Perl installation.

Depending on how you installed git, the installer put the git perl in the path before the ActiveState Perl. Inspect your environment:

echo %PATH%
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If you don't want ActiveState Perl to interfere with the git Perl, remove ActiveState Perl from the path when you run git. Changing the PATH environment variable works for all console windows separately, so in one console window, you can move git to the front of the path:

echo %PATH%
path C:\Programs\Git\bin;C:\Programs\Git\cmd;%PATH%
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... or alternatively, remove the path entries referencing ActiveState Perl.