As with any patch on any game, issues regrettably do arise after an update. Please take a look at this list, and the course of action we want you to take.
-3199 error. failed to update game. Please try again. We need to look into the log files Purple Launcher generates, so please do the following:
1. Start -> Run
2. Enter "%temp%\purple" then OK
3. Select all files and folders and compress them into a single zip file
4. Send the zip file to us at firstname.lastname@example.org.