This thread can serve as a 'Things you better dont do' archive. My first contribution: (discovered yesterday) Normally, if you want to get rid of the arrows on your shortcuts, you would delete HKCR/lnkfile/IsShortcut. On 7 this is a BAD idea because after that you wont be able to pin anything to the taskbar anymore. (Except for the windows games, (Chess, etc), but thats probably because they arent per-user.) Symptoms: • Missing 'pin to taskbar/startmenu' context-menu entry on links under Start/Programs • Dragged or otherwise pinned shortcuts appear in the 'UserPinned/TaskBar' folder but never get displayed on the taskbar • Possibly more i didnt notice Fix: Restore HKCR/lnkfile/IsShortcut and reboot.