[skyomish]

It sounds like you have some bad files or
You messed up your install.
I would check to insure the files are correct.
Then if they are good I would do a CLEAN install.

Disk 4.07---patch 4.08m---patch 4.09m--HAFX-V4.0---HSFX-V4.1
Insure the game folder is CLEAN nothing left behind. CLEAN