The garbled string а№Ђаё«аёў... is a common result of Windows-1251 text being misinterpreted as UTF-8.

Judging by the "1-18" and "Part 2" markers, this file is most likely: A containing study notes. A zipped folder of audio lessons or scanned textbook pages.

If this happened after downloading a .zip file, Windows' built-in "Extract All" often causes this. Use 7-Zip or WinRAR to extract the files; they handle encoding much better.

A often found on Russian forums or school portals.

If you are seeing this on or after downloading a folder, you can fix it using these methods:

If you tell me the file extension (like .pdf, .zip, or .docx), I can give you more specific advice on how to view it.