This error is caused by a problem downloading or writing new update data. Try the following steps to resolve this error.
Disable or temporarily uninstall any security programs, which may mistakenly identify the login module as a security threat.
If you're using a wireless connection, optimize your internet connection to rule out a connection issue.
Run the repair tool to repair any damaged game files.
Disable any proxies that may interfere with the login module.
Tried everything here?
If the steps above did not resolve your problem, visit our Technical Support forum or contact us.