Hi FerencD, This is Ramesh.
It appears you're trying to install a feature update and receiving the 0x8007001f error during the process.
Please share the following setup log file on OneDrive (or any other host) and post the link here:
C:$WINDOWS.~BT\Sources\Panther\setupact.log
Note: "C:$WINDOWS.~BT" is a hidden folder. To access it, press Win + R, type "C:$WINDOWS.~BT" and click OK.
(How-To: Share OneDrive files and folders - Microsoft Support)
https://support.microsoft.com/en-us/office/shar...
OneDrive sharing options - screenshot: https://imgur.com/a/vZyxpY9