Same problem (FPS Drops to 1-4) ... this was the response from tech support when I reported it ... I'm not convinced ...Thank you for contacting our Customer Support regarding your desync issue!We are really sorry for all the trouble and inconvenience caused by this issue but thankfully we know how to solve your problem Contrary to most beliefs it's not caused by any problems with your internet connection or server stability. Most desync issues are caused by various overclocking programs and tools used by players to improve their pc performance. If you are using one of those programs please disable it or remove it completely and check if the issue still occurs.There are many such tools:
-AMD OverDrive – ATI CCC-Gigabyte OC Guru-Sapphire TriXX-EVGA Precision-MSI Afterburner-Intel Desktop Control Center-CPUZ and GPUZ-ASUS GPU Tweak-ATI Tray Tools-SetFSB-ASUS AI Suite-MemSet and CPU-tweaker-Riva Tuner-Intel GMA BoosterI hope this solves your issue but if that's not the case please contact us again!