Run a virus that disables it! (Jk)
Try typing UAC in cortana, then click change user account control settings and switch it to never notify, then try disabling Windows Defender
(You can switch it...

Try an offline scan, open WD security center, click advanced on the scan section, select offline scan and click scan then click scan and follow the on-screen instructions

I clearly said i already tried that

Thanks :) i will try

I turned on the startup sound on the computer and now i decided i need a shutdown sound
so i disabled ExcludeFromCpl on system exit in REGEDIT and turned on Exit Windows in sounds
i even clicked...