Code is scattered in different files so I am not able to post more code

Sure you can, or is it secret code;)

Without code it's a bit hard/impossible to diagnose the problem correctly. My guess right now is that in some thread some piece of code tries to access a directory which has just been deleted by the rmtree in another thread?!

In reply to Re^5: rmtree() is failing after some time by dHarry
in thread rmtree() is failing after some time by KristinaBurden

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