Windows 10 Update created a default user account

Hi Rod,

Thank you for posting your concern. It seems that you are logged in to a temporary user account. Based on the information you provided you are unable to logout to the new user account. In this case, please restart the computer and see if you can change the user. Also, confirm if you are using a new user account or the original user account has been renamed. Please follow the steps below:

1. Press Windows key + R, then type in netplwiz and hit Ok.
2. Look at the list of the user account to verify if you are using a renamed account or different one.
3. If there is only one user account, it only means that the original user account has been renamed. You can give us a screenshot of it so we can further help.

To fix it, we need to do some advanced troubleshooting steps that will require tweaking of registry. We strongly suggest creating a backup before proceeding with the troubleshooting steps. Please refer to the steps provided below:

1. Type Command Prompt on Search bar, once you see it right click and choose Run as administrator.
2. On Command Prompt window, type in whoami /user and hit Enter. Take note of the user account SID. It will appear like: S-1-5-21-37**99***4-*3***0*9**-102****088-6**081
3. Once done, press Windows key + R again and type in regedit then hit Ok.
4. On Registry Editor, click on File tab and choose Export... then save it to your desktop.
   
5. This is to make sure that we have a backup of your registry.
6. Then, locate HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList
7. Under ProfileList you will the list of SID. Look for the same SID that you saved earlier. Sometimes there is SID with .bak at the end and sometimes none. Refer to the steps below depending on the SID that you have:

If the SID key is listed without .bak at the end

1. Click on the SID and look for ProfileImagePath in the right pane. Double click on it to open and change it to the correct username (ex: C:\Users\rgm ) then hit Ok.
2. On the same page, open State and make sure that the Value data is 0 (zero).
3. Close the registry and restart the computer.

If the SID key is listed with .bak at the end

1. Right click on the SID with .bak at the end, and choose Rename. Remove the .bak at the end, and click Ok.
2. Click on the SID and look for ProfileImagePath in the right pane. Double click on it to open and change the it to the correct user name (ex: C:\Users\rgm ) then hit Ok.
3. On the same page, open State and make sure that the Value data is 0 (zero).
4. Close the registry and restart the computer.

If the SID key is listed twice without and with .bak at the end

1. Right click on the SID key without .bak and choose Delete.
2. Tap Yes to confirm.
3. Right click on the SID with .bak and Rename to remove .bak.
4. Click on the SID and look for ProfileImagePath in the right pane. Double click on it to open and change the it to the correct user name (ex: C:\Users\rgm ) then hit Ok.
5. On the same page, open State and make sure that the Value data is 0 (zero).
6. Close the registry and restart the computer.

Note: Make sure that the original username is correct. C:\Users\rgm under ProfileImagePath.

Let us know if this resolves your concern.