NoVirusThanks Registry DeleteEx can delete locked registry keys and locked registry values via a kernel-mode driver.Some malware is known to lock registry keys by changing the registry permissions. With this little tool, you should be able to delete any registry key and value that can't be removed with Regedit. If you're getting a ?Cannot delete registry key? or ?Error while deleting registry key? errors then NoVirusThanks Registry DeleteEx should be able to remove it.You should always back up your registry whenever you modify it in any way. One mistake and your computer may not boot. Playing with the registry is for advanced users, with experience, who understand registry keys.NoVirusThanks Registry DeleteEx is available as an installer or portable, which is great for techs to take with them.