Today came the long-awaited update 1.8, which, unfortunately, will not start at all.
As reported by the developers, they are having some technical problems, they therefore propose the uninstall the game and reinstall it.
Suddenly, after reinstalling the game you are experiencing problems with the graphics, FPS, etc., write them here: https://eu.wargaming.net/support/Tickets/Submit/Index
From the editors of the site blitzworldoftanks.com:
The problem is that the developers have changed the way the placement of folders with configs and graphics. Therefore, the old cache does not see and does not recognize. To do this, you need to uninstall the game and re-download it. Updated cache is already on our site.