
Step 2: Enter the CMD command ‘ sfc/scannow’ and confirm with. Step 1: Open the command line as an administrator with +, ‘cmd’ and + +. Both check and repair damaged or missing system files: The DISM (Deployment Image Servicing and Management) and SFC (System File Checker) repair tools are also among the standard solutions to error messages. Step 7: If the key is present, exit the registry and reboot.

Step 6: Access ‘ HKEY_LOCAL_MACHINE\\SOFTWARE\Microsoft\\Windows\\CurrentVersion’, expand the entry and check if ‘RunOnce’ is now present.

Step 5: Now enter ‘ RunOnce’ as the name of the key. If it doesn’t exist, click on ‘CurrentVersion’, go to ‘New’ and to ‘ Key’. Step 4: Look for a key named ‘ RunOnce’ there. Step 3: Now enter the following key in the registry editor in the bottom left corner: ‘ HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\\CurrentVersion’. In case of emergency, you can use the backup to restore the registry. Enter a name for the backup file, select ‘All’ and click ‘Save’.

Step 2: Before you make any changes to the registry, you should always make a backup copy of the current registry file. Step 1: Open the command line with + and enter the CMD command `regedit´ to open the registry. In some cases, it may help to change a missing or incorrect registry key as follows:
