Hello, how are you?
Welcome to the Microsoft Community!
My name is Paloma B., I'm an independent advisor, I'm here to help you in the best possible way.
I understand that you have lost admin access to your computer.
You can follow the procedure below to create a new administrator user and be able to reset your computer or just create a new user to gain access to your computer again. Follow the entire procedure carefully and calmly, if there is any error, send me a print screen.
First you need a Windows installation USB, if you don't have one follow the instructions below to create it.
http://answers.microsoft.com/en-us/windows/wiki...
After creating it, configure in your computer's BIOS to start via the USB installation.
***If you have any questions on how to start the USB installation, you can refer to this guide please.
https://www.groovypost.com/howto/bios-uefi-setu...
- Boot with the Pen Drive;
- When the installation window appears, click Repair your computer;
- Click Troubleshooting;
- Advanced options;
- Command Prompt.
When opening Command Prompt, we will need to identify the Windows installation partition.
This way, you should use the DIR command that will list the folders of the path you are on.
By default I believe it will be in X: at the Command Prompt, so type dir and press Enter, when listing the folders on that partition, make sure the Windows folder appears.
If not, type C: and press Enter, dir and press Enter, after that check the listing, if the Windows folder still does not appear, try D: and press Enter, after again the dir command and Enter and check the listing, if still does not appear repeat with other partition drives like E:, F:, ...
When identifying the partition with the Windows folder, proceed with the commands below.
cd windows [Enter]
cd system32 [Enter]
ren utilman.exe utilman_old.exe [Enter]
copy cmd.exe utilman.exe [Enter]
After that restart your computer.
When the login screen appears, click on the Easy Access icon next to the off button in the lower right corner to open the Command Prompt.
Then follow the commands below again.
net user Admin1 123123 /add [Enter]
net localgroup administrators Admin1 /add [Enter]
Okay, this way the Admin1 user will be created with administrator privileges, close the Command Prompt and restart the computer.
When starting again the Admin1 user will appear to enter, use the password 123123 as we created.
By logging in to this Admin1 user, you can add admin privileges to your local account or try to change another admin's password.
- Press Windows+R, type netplwiz and click OK;
- Click on your username and then on "Properties". Select the "Group Membership" tab;
- Mark the profile as Administrator and click on Ok;
Now you can log off and log in with your local account, it will have admin privileges too. You can even remove the Admin1 account we created temporarily.
After that, access the path C:\Windows\System32 and delete the file Utilman.exe and rename the old file Utilman_old.exe to Utilman.exe only and everything will be undone.
I await news.
If these procedures helped you in any way, please click on "I solved my problem" and also mark as an answer, so you can help others users.
We will always be available for whatever you need!