if any half-life1 engline games such as esf crashes when u join games that require to download the map or anything and crashes at "Verifying resources" The main problem is Internet Explorer 7. if u downloaded that program usually it does that.
to fix the problem download this
http://home.comcast.net/~hoyhoy/asst/IE7CrashFix.reg
to fix the problem download this
http://home.comcast.net/~hoyhoy/asst/IE7CrashFix.reg