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Can't package game on one specific computer

Hi everyone, I have an issue with packaging, but only on one computer. I'll explain the situation:

I work for a company that has strict proxy settings and everything is behind firewalls. I am able to package our project without any problems on a computer that is directly connected to the company's network.

However, I have a secondary computer (same model) that is not on the network, but is connected through VPN from an external non-related network. I am not able to package on this computer. I don't know if the network is even related to this issue but this is the only difference between the two computers.

We're using perforce so it is the exact same code.

The error I get when packaging is this: UATHelper: Packaging (Windows (64-bit)): ERROR: System.IO.IOException: The process cannot access the file 'S:\UE4\Project\Saved\StagedBuilds\WindowsNoEditor\Project.exe' because it is being used by another process.

Things I have tried to resolve this:

  • Cleaned project folders (Intermediate, Saved) and plugin folders

  • I have tried packaging to different locations on the computer

  • Turned off VPN

  • Turned off network completely

  • Restarted computer

  • Launched from visual studio

  • Turned off all firewalls

Nothing seems to be working, however, I have been able to package a few times, just out of luck it seems like. I cant find any consistency in when I am able to package.

I have looked into the "is being used by another process" issue and it seems to be more related to Windows rather than UE4, so not sure what to make of this.

Any help would be appreciated!

Product Version: UE 4.21
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asked Apr 17 '19 at 07:01 PM in Packaging & Deployment

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