Greetings,
Could you please do the following:
open Windows Command Prompt (press Windows + R), then type: %HOMEPATH%\AppData\Local\Ultimate Admiral Dreadnoughts\log
There will be log files from the launcher (e.g. 17.10.19.txt), please copy the latest file and contact Xsolla support team via live chat option (help.xsolla.com) or email (support@xsolla.com), describe your issue and attach the log file.