If the problem still isn't fixed, try deleting your old administrator account To move your personal files from your old account to your new account, try opening File Explorer, expanding This PC, selecting OSDisk (C:), and looking in the Users folder, where you should see folders for both accounts. You can then copy and paste your files from the old account folder to similar locations in the new account folder. Or if you prefer, you can upload your files from your old account to OneDrive, and then sign into the new account and download the files from OneDrive. If everything is fixed, move your personal data and files to the new account. Sign out of your account and then sign in to your new account. Under Account type, select Administrator > OK.

Under Family & other people (or Other users, if you're using Windows 11 Enterprise), choose the account you created, and then select Change account type. Make the new account an administrator account Provide the requested info and follow the prompts to create the account. Under Other users, select Add someone else to this PC or Add account. Select Accounts > Family & other people (or Other users, if you’re using Windows 11 Enterprise). If you aren't using an administrator account and you don't have one, you can create an account and set it as an administrator account. If you see 'Administrator' near your name, then you're using an administrator account. To see which account you're signed in with: If you still can’t fix your problem with the Start menu, try signing in with an administrator account.

Windows 7 start menu