Cannot Login To Windows 8 After Installation' title='Cannot Login To Windows 8 After Installation' />Windows could not complete the installation Error After Joining a Domain During Sys. Prep Saniac. When prompted with error unable to complete installation Hit SHIFT F1. MMCClick File AddRemove Snap in Or CTRLMSelect Computer Management Double click and Finish on Local ComputerClick OKDouble click Computer Management Local System Tools Local Users and Groups Users Double Click Administrator Uncheck Account is disabled OKNow right click Administrator Set Password Set a decent password to get started. Now, restart. Should be good to go. Saniac Article Author August 10, 2015 at 156 pm. It sounds like you might be using a version of Windows that doesnt have this option. You need to have Ultimate. If this doesnt work try next step SHIFT F1. CD C windowssystem. Make a generic account and password. OEMNo key required, just finish. Set timedate. Finish. Restart two timesShould be good to go. Fix-Lost-Administrative-Rights-In-Windows-8.1-1-2.png' alt='Cannot Login To Windows 8 After Installation' title='Cannot Login To Windows 8 After Installation' />Solution to the error Windows cannot access the specified device, path, or file. Failed To Install Performance Counters Mysql Admin. You may not have the appropriate permission to access the item. Windows cannot boot because of Startup repair cannot repair this computer automatically error Here, we collect a list of possible solutions that might help to fix.