Windows 11 24H2 - NAS now only works from command line but not in Windows Explorer

Thank you for that question. I was on 4.3.3.0188 Build 20170516.
I updated to 5.2.5.3145 2025/05/06 and now everything is working fine!
(Highest SMB version = 3; lowest = 2)

Many thanks for your help.