i was installed windows 10 and when i want to right click on any folders the menu shows for 1 second and gone like someone pressed esc button and something happened like refresh with note f5 button doesn't work with system for what reason i don't know but it physically work now i installed a fresh copy of windows 7 now i can right click on any folders and the menu shows successfully but a refresh happened with it and f5 also doesn't work when i am going to start menu pinned items and right click it shows successfully but if i left click on all programs and right click on any items the menu shows for 1 second and gone with the start menu like someone pressed esc button and something happened like refresh now i think it's from registry may be from some programs that i have installed so plz help and i want to get f5 work back again thanks