Restore Task Manager, Regedit and Folder Options Disabled by Virus http://www.raymond.cc/blog/archives/2007/06/28/... Sometimes after removing the virus completely from our system, you'll face new problems such as you can no longer bring up Windows Task Manager from CTRL+ALT+DEL. Regedit, Folder Options and even Show Hidden Files & Folder is disabled! Here's how to restore your Windows Task Manager, Registry Editor, Folder Options and Show hidden files & folders.