glan:

I'm sure that if unix-style paths didn't work on Windows 7, we'd have heard about it by now. Now if it's being executed with a legacy DOS program or command shell there may be a problem, as many of the DOS command line utilities use the forward slash as an option delimiter.

1. Verify that the specified file exists where the error message indicates.
2. Verify that the account running the script has permissions to that file, and all the directories in the path down to the root.
3. Look around for mailing lists and/or other online help with vim and the perl-support plugin.

...roboticus

When your only tool is a hammer, all problems look like your thumb.