Now it seems to get interesting. I started the safe mode an it crashed after login.
Here the newest python.log entry
/------------------------------------------------------------------------------------------\
WorldOfTanks 0.9.22.0 (compiled at 11:34:21 Jan 29 2018) starting on Mon Mar 5 23:19:51 2018
2018-03-05 23:19:51.944: INFO: [Config] Command line: D:/Games/World_of_Tanks_EU/WorldOfTanks.exe -safe --wgc_launched
2018-03-05 23:19:53.814: INFO: [Config] Default encoding set to utf-8
2018-03-05 23:19:53.833: INFO: [PY_DEBUG] Release Client - Content Type: hd
2018-03-05 23:19:59.692: NOTICE: [NOTE] (scripts/client/post_processing/__init__.py, 271): The quality = 3 was selected.
2018-03-05 23:19:59.692: NOTICE: [NOTE] (scripts/client/post_processing/__init__.py, 271): The quality = 0 was selected.
2018-03-05 23:20:03.697: INFO: [WGC] WGC has no logged in user
2018-03-05 23:20:24.026: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: LOGIN - 32.0859985352
2018-03-05 23:20:24.030: NOTICE: [NOTE] (scripts/client/connection_mgr.py, 241): User authentication method: token2
2018-03-05 23:20:26.040: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: CONNECTED - 34.0989990234
2018-03-05 23:20:26.815: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: SHOW GUI - 34.8740005493
2018-03-05 23:20:41.133: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: QUESTS SYNC - 49.1930007935
2018-03-05 23:20:41.214: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: USS SYNC - 49.2739982605
2018-03-05 23:20:42.079: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: SPACE LOADING START - 50.1380004883
2018-03-05 23:20:42.125: NOTICE: [NOTE] (scripts/client/game.py, 468): [SPACE] Loading space: spaces/hangar_v2
2018-03-05 23:20:42.127: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: VEHICLE LOADING START - 50.1870002747
2018-03-05 23:20:43.536: WARNING: [WARNING] (scripts/client/gui/Scaleform/framework/managers/containers.py, 1255): Loading of view Hangar[0x57f99b10]=[key=ViewKey[alias=hangar, name=hangar], scope=SimpleScope[0x262a68f0]=[scopeType=subView, parentScope=SimpleScope[0x262a6870]=[scopeType=view, parentScope=GlobalScope[0x262a6830]=[scopeType=global, parentScope=None]]], state=0] is requested but the container subView is still not exist!
2018-03-05 23:20:43.718: NOTICE: [NOTE] (scripts/client/helpers/statistics.py, 232): HANGAR LOADING STATE: VEHICLE LOADING END - 51.7779998779
Im gonna get the Wot Mod Cleaner, uninstall everything and try it again
Update: Still Crashes. Next Step: integrity check