Windows 10 Upgrade Assistant is stuck at 99%
https://support.microsoft.com/en-us/windows/windows-10-upgrade-assistant-is-stuck-at-99-861fd3a5-1b9a-35b5-4e5e-a502cfd65dc8
Open File Explorer, type C:\$GetCurrent, and then press Enter. Copy and paste the Media folder to the desktop. If you don't see the folder, select View and make sure the check box next to Hidden items is selected. Restart your PC, open File Explorer, type C:\$GetCurrent in the address bar, and then press Enter.
DA: 15 PA: 32 MOZ Rank: 82