Title. Unreal 5.4.1 gets stuck several minutes every single time i re-open any unreal project.
4 Likes
Exactly my Problem with 5.4.1 version 
… when i add “Hair Card Generator” Plugin … stuck in 75% Loading on Python Script Plugin for more than 4 minute … now i disable hair card generator and problem is solved 
. i hope you will fix it
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Ahhh now I know what to disable, thanks mate!
I enabled some new features as well and got this infinite loading time 
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How do you disable the plugin if you can’t load the project?
Editing the project file with notepad
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I have the same Problem with the Learning Agents Plugin. Does anyone know of a way i can still use the Plugin? Or will Epic patch the bug soon?
same here @Birchermues , Did u figure anything out ?
No sadly not. Still have the issue 
This is what I’m reading from an experienced user on Discord: “I think what happened here is one of the related plugins uses certain Python related libraries. These used to just be included in Unreal, but now I think the plugin pip installs them when it’s first loaded. One of those libraries happens to be a couple GB in size”.
Also “…on subsequent starts, that calculation shouldn’t happen”.
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Open the Task Manager and close the Python process.
3 Likes
There is not Python script running in the background. Every time i open the unreal project it gets stuck on a different plugin…
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Seems to be correct, after waiting for a couple of minutes the editor eventually starts up
Not sure if
has an impact on how long it will take to load in the background?
Thank You! This worked for me!
Hello GarielSd!!
It is very easy to disable plugin. It can done by some simple steps. Just go to settings and then plugins settins. In the setting you will find every settins related t your issue
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This work for me,but it aslo will start another editer prosess.
And at last, I find the reason: I had enabled the experimental plugin Chaos Cloth Generator,it’s make the 75% loading problem, disable it, everything goes well.