not able to play

Vallter: Please try the following:
- press Windows key + R and type %appdata%\wargaming.net\WorldOfTanks
(Another way: press START and select Run...);
- type *Regedit* and press "OK";
- follow that way - HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Internet \ SettingsZones;
- in the last folder (above) there are several other folders named "0", "1", "2", "3", "4" respectively and a folder with the name alike a rectangle (either "[]" or "L");
- delete this folder.