I upgraded my Windows 8 to Windows 10 last week and I see, if I double click, the folders dont open up. I have to right click and click on OPEN to go to the folder. Why is that ?
Because you didn't stop playing with the OS! On any of your updates/Upgrades etc. you face your problems! So, I would suggest to stop fooling around and also stop playing with the OS!
Look at your own activity history, if you're not able to remember your own threads and post's! And I clearly mean about Windows 10 OS activation, error's, failing etc., etc.! Simply trolling and Clownery!