http://iv.pl/images/78119655537804290416.png
What is that problem ?
Can you help me ? 
Hi zcx13, welcome to the forum 
I am not familiar with the language in the screenshot.
But as far as I understand an Avast scan found rootkits/hidden files, and can’t process them ?
You can follow this turtorial https://forum.avast.com/index.php?topic=53253.0
Start a new topc here https://forum.avast.com/index.php?board=4.0 and attach the requested logs.
An expert will help you than…
Greetz, Red.
It sure looks like a infection :
https://www.reasoncoresecurity.com/speedchecker.dll-3be9fe66d63093a79655a7b916a43568ea20209f.aspx
https://www.reasoncoresecurity.com/managedwifi.dll-15514d4f177011e02c4548f639f4a5d89b39a72c.aspx
Follow the instructions in the second link that Rednose gave you.