[Solved]Client file corruption for PCF

The drivers, Programs, and Virus scans apply to any version of Crossfire - So you should definitely try the advice out - In addition to that you may want to re-install your client, From the CFPH website. All of it can still help you out!

http://cfclan.ph.gameclub.com/main/index.asp

They are essentially the same thing when it comes to errors - So please do not disregard the advice I gave you! If nothing works maybe someone else has a better knowledge of this version of Crossfire but I am almost confident that using Smart Close, a Virus Scan, And Re-installing will help you