Thank you for contacting Wargaming Player Support
We are sorry to hear that you are having issues with the game. So, do not worry, we will do our best to be of assistance.
Please try deleting the World of Tanks temporary files as described below:
- close the game;
- download the following archive:
http://dl-support.wargaming.net/wot/ru/updates/wot_pref_en.zip- unpack the .bat-file from the archive to any folder and run it.
Please note that after you run this file, the in-game settings will be reset.
After this check, if the problem persists.