it’s solved my problem!!! I love u!
thanks，it’s solved the problem. add shortcut on desktop and input -ddc=NoZenLocalFallback help me open the UE5.5.
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Win + R search for regedit. Search Computer\HKEY_CURRENT_USER\Software\Epic Games folder and remove DeriveredDataCache registry folder. Worked for me
Hello! I had the same issue. Solution was written in the error:
Add -DDC-ForceMemoryCache to the command line to bypass this if you need access to the editor settings to fix the cache configuration.
In my case I opened cd and entered
cd “C:\Program Files\Epic Games\UE_5.5\Engine\Binaries\Win64”
and after that UnrealEditor.exe -DDC-ForceMemoryCache
Edit the version and path. After the initial launch you can edit preferenecse for cache storage.
After that I have change Local and Global DDC path from Drive C (which is system disk) to D drive (I have created custom folder in D drive for local and another one for global, granted permissions to all). When path was to C drive the error was still there. Probably because of some internal drive restrictions (even though permissions were granted to all users for C drive). Now it works.
Turn off VPN , of any kind (in-browser e.t.c.) and try again
works for me
Sicne a lot of people use it nowadays they forget to turn it off
This is probably ue5.4 zen server connection problem
yes, it works for me. thank you!
For the problem I encountered, deleting the AppSata/Local/UnrealEngine/Common/Zen directory and the AppSata/Local/UnrealEngine/Common/DerivedDataCache can solve this problem. This will result in the regeneration of DDC.
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This is an old issue, but I’m sharing my solution in case anyone else has been struggling like I did.
The cause was that the DDC path I couldn’t access was written in the [InstalledDerivedDataBackendGraph] entry in DefaultEngine.ini. So I just deleted [InstalledDerivedDataBackendGraph] from the ini file, and I was able to run the project without crashing!
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That’s helped! Thanks! 