Since this process requires administrative rights on the computer, you must enable the built-in Administrator account by going to the safe mode before you finally remove the corrupted user profile of the user.
You can enable the built-in Administrator account by following the steps given below:
- Log on to Windows8/Windows 8.1 using manually created administrator account.
- On the start screen type CMD.
- From the search results right-click Command Prompt.
- From the context menu, click Run as administrator.
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- Click Yes on the User Account Control box.
- On Administrator: Command Prompt type the following command: net user administrator /active:yes and press Enter key.
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- Close the Administrator: Command Prompt window.
- Sign out and sign back in to the built-in Administrator account.

Once you have successfully enabled the built-in Administrator account, you can then follow the steps given below in order to remove the user profile of the culprit user:
- Log in using built-in Administrator account.
- Press Windows + R keys on your keyboard to open the Run dialog box.
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- Type REGEDIT and click OK to open the Registry Editor window.
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- From the left pane in the Registry Editor window, navigate the following directory: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList.
- In the ProfileList, click each SID key (e.g. S-1-5-21-255…..) and in the right pane, check name of the user displayed in the ProfileImagePath string .
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- Once the culprit user profile is found, right-click the corresponding SID key.
- From the displayed context menu, click Delete.
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- Click Yes on Confirm Key Delete dialog box.
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- Once done, close the Registry Editor window.
Once the entire user profile is deleted from the Registry Editor window, you can now try logging in to the same user account. The issue should be resolved by now.
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