The warning about the virus scanner is given in the second dialog box. Have you done what's advised ?
:: @Pierre-Marie Baty added on 24 Nov ’23 · 16:02
*edit* Please open "Migration Assistant (Step 2, PC).cmd" with a text editor and add these lines near the top of the file, just after the "@echo off" directive:
% rem // for safety, rebuild a minimalistic, default PATH. This is the default PATH for Windows 10. set PATH=%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\ %
This will make sure no polluted/invalid/bogus PATH environment variable gets in the way and causes the script to call other tools than the Windows-supplied ones. Save your change and re-run the migration assistant. Let me know if it unzips the SDK this time. It should take a few seconds and you should get a "SDK" directory aside your Keychain directory, populated with iOS SDK files. Can you confirm it happens ?