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Using Process Explorer I can see that a certain file is locked by "System, PID: 4". This blocks the VB.NET VS2012 IDE from recreating the file. I am getting the "Permission denied" error. It always takes a few minutes until the file is released.

I have tried to disable just anything that might lock my file... Application compatibility, Backups, Windows Defender, Windows Indexer, just anything I could think of.

How could I find out which application "System, PID: 4" really is?

Thank you.

I know that my question sounds very much like this one: How do I find out any more information about file handles held open by the System process?

But in my case I do not have a network, so that can not be the problem.

Susan Hermfeld
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1 Answers1

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It's the Windows Kernel. This virtual process contains all running kernel-mode drivers. This also includes Windows File Sharing, HTTP.SYS and probably all virus scanners.

Unfortunately, file handle accounting is only done at process level, so you won't be able to get additional information.

user219095
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