Could someone show what it should be set, preferably in English version ? Fixed amount or so?
Why does no-one who posts on this ANN ever use youtube

Download latest Geth and Mist wallet from the Ethereum link to Github.
Open up CMD program on Windows 10 or whatever Windows OS you are using

And, follow the instructions in this youtube clip, but change the names to latest Geth and Mist version you downloaded:
https://www.youtube.com/watch?v=e7d2WqX97EAGood method with command line
geth removedb
instead of looking for database folder manualy, however I'd personally preffer not to sync eth till resolve will be found.. because I should resync from scratch every day or more often with this continuous attacks and problems...