Also, to Andrii Mogylnyi only, since you're experiencing a 5% loading problem, please try the following:
Would you please be so very kind to either disable the any of the following software and/or deny the autostart when you boot your operating system if one of these is installed on your machine:
Asus Sonic Studio II
Alienware Sound Center
Let me know whether or not this resolves the issue for you please. Thanks!
Thank you for your tip. I try it as soon as I find a bit of time (not so easy now). After that I'll share if it worked.