Error "Windows cannot find file" indicates the previous version of the games contains corrupt registry.
Suggestion is that either find the corrupt registry or create new user account.
However, you cannot log on to the admin account. This is the biggiest issue. I would like to confirm if you have typed the password wrong. If the issue is there is no admin account, please log on to Safe Mode and check if you can log on to the build-in account.
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. ”
Microsoft is conducting an online survey to understand your opinion of the Technet Web site. If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.