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Whenever I open a gVim instance, the window gets automatically closed after a few seconds. Also, there is a red border drawn around the window.

This happens only with gVim, interestingly. Also, when I open gVim right after a restart it doesn't get closed automatically.

This is very weird. I don't know where should I look into to find the cause of the problem. Do you have any suggestions?

I use windows 7 with gVim 7.3.

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up vote 1 down vote accepted

I got the same behavior on WinXP when launching some multimedia apps. In my case, it turned out to be a recently updated Avast v7.0 auto-sandbox feature.

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Thank you. Probably this is the cause of my case as well. I use Avast as well. Restoring the system to the previous state solved the problem. – Mert Nuhoglu Mar 4 '12 at 7:58

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