Just in case if anyone is having problem saving the changes and if save is clicked you get an error stating that access is denied making changes to registry.
And In case if you have tried making changes to the registry and get the below error, this is how you can solve it.
cannot create key: you do not have the requisite permissions to create a new key under policies.
Step 1. Open Registry Editor
Step 2. Go To HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies
Step 3. Right Click on POLICIES and Click on PERMISSIONS
Step 4. Click on ADVANCED at the bottom and then click on OWNER
Step 5. If in CURRENT OWNER your ID is not listed, then from CHANGE OWNER TO: select your ID and click on OK and OK
Once you follow the above steps, you will be able to run the application and your settings will be saved.