Unable to install UEFN (File access error)

[Jimbohalo10]

hi @6matthias ,
The problem is a know problem with Windows 11 needing to be “Run As Administrator”
see post
UEFN will not install correctly from Launcher on any Windows 11 (eleven) version needs to run Elevated "Run As Administrator

and
[RESOLVED] Issue with New Installations of UEFN - General / Announcements - Epic Developer Community Forums (unrealengine.com)