Unreal Engine stops working when running VPN Throne.

[Sky_Fors]

An error appears with the DerivedDataCache cache. As soon as I turn off the vpn, everything starts working

[BRGEzedeRocco]

Hello @Sky_Fors ,Welcome to the forums!
I’m sharing a post that discusses this issue related to the use of VPNs in Unreal Engine.
It’s very well explained and details why the editor fails when the VPN is active.

Additionally, the post suggests several solutions and workarounds to prevent the crash, such as configuring a local cache, using launch parameters, or excluding Unreal from the VPN tunnel.

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Hi, The error you’re encountering indicates that Unreal Engine is unable to access the necessary writable cache due to restrictions likely caused by the CyberGhost VPN. This is a common issue with VPNs that alter network configurations, impacting Unreal Engine’s ability to resolve paths or connect to required services. Here’s how you can address this issue: Exclude Unreal Engine from the VPN (Split Tunneling) Many VPNs, including CyberGhost, support split tunneling, which allows you to excl…

Hopefully, one of these options can help you resolve the issue!

Hope it helps!