ps. seen after the application of the solution: some console applications write the Russian text in erroneous encoding. The following reg file can help:
Windows Registry Editor Version 5.00 ')
[HKEY_CURRENT_USER \ Software \ Microsoft \ Command Processor] "AutoRun" = "chcp 866> NUL"
pps. There are also problems with encodings in some win-applications. Specifically - qip 8010. It only helped change the interface language to English, and even then not everywhere.