Line 59 : Code: set "s=%s%$FB.InitialDirectory=\"C:\My Folder\";" Double quotes (") must be escaped by \ : \" Script location : Code: "C:\CD-ROM\Windows 11\Win_11_Boot_And_Upgrade_FiX_KiT_v6.0\Win_11_Boot_And_Upgrade_FiX_KiT_v6.1.cmd"
He is posting allover the board, i ran the test and it worked fine with a spacing in the folder name.
There is zero difference between 6.0 and 6.1 other then ISO selection, what exact problems did you have?
It opens the default folder, you can select that ISO or browse to another folder and select an ISO there, working fine here.