UEFN - Projects cannot be Opened when Revision Control is enabled.

[scouseingo]

Please select what you are reporting on:

Unreal Editor for Fortnite

What Type of Bug are you experiencing?

Unreal Revision Control

Summary

MASSIVE ISSUE:

Whenever Unreal Revision Control is enabled in UEFN on Windows 10, the project can tend to get stuck on 81% and freeze. It then proceeds to endlessly say “Connecting to revision control…”

UEFN Used to get stuck on 36% but its recently changed to get stuck on 81%. Sadly, this seems to only happen on Windows 10 and can be fixed by upgrading to windows 11. I am unable to do this as my processor does not meet the requirements, and i am unable to get a new one.

Opening projects without revision control work fine! So i either need a solution to the problem entirely ( which would be ideal ) or there needs to be a method to disable revision control from outside the project.

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I am not the only one to have this issue! In the past 2 days I’ve come across 5 people who have had this issue. So its a real problem.

Steps to Reproduce

Opening a Project with Revision Control Enabled on Windows 10.

Expected Result

The Project should open just fine.

Observed Result

The project will get stuck on 81% with “Connecting to Revision Control…” endlessly stuck on the screen.
Can also possibly get stuck on 36%.

Platform(s)

PC

Additional Notes

This issue prevents complete and any usage of UEFN.

[Bug-Reporter]

FORT-727290 incident has been created. Status is ‘Needs Triage’.

[scouseingo]

Here is a solution to the error:

1. Win + R
2. %TEMP%
3. Delete the entire folder. Skip any folders that require administrator permissions
   ( create a backup if you want, its not necessary )
4. Re-Launch UEFN. The error is fixed!

[nolix]

this does not fix it for me

[davidpkami]

Same problem here

[deedeefactory (DDR222)]

I was also stuck at 36%.
then updated windows defender to the last security intelligence update (version: 1.409.240.0)
all good now

When you turn on UEFN's Unreal revision, you may encounter a virus detection warning from Windows Defender.

Cross-posting here from the official response on Twitter: " After investigating we’ve learned that urc.exe was being incorrectly flagged and the false positive is corrected in updated versions of Microsoft Defender. You can find info on updating Windows Defender here: https://www.microsoft.com/en-us/wdsi/defenderupdates "

[davidpkami]

I tried disable Windows defender and the project launches, it may be a problem with Windows Defender.

[christitze (GraphicSurfer)]

I had the same issue. I created an exclusion for the following folder (C:\Users\HOEBER~1\AppData\Local\Temp.net\urc) in Windows Defender and now things seem to work just fine.