[[513th] Kamil]

every time i get into a server, within a few min to sometimes a half an hour, i get an error and my game crashes

------- Sound End Registration -------
------- Sound End Registration Complete -------
CL_EndRegistration: 0.00 seconds
CL_InitCGame: 8.93 seconds
Called FadeSound with: 0.000000
|-ERS-|Pvt.^Kamil^ has entered the battle
 |-ERS-|Gen.^CHinGaMaN^: you wont lose the maps
|-ERS-|Pvt.^Tal188^ was sniped by -[KTA]-zin{SGM} in the middle torso
Zin tripped on binhex's grenade
SgtKiller02 is preparing for deployment
|-ERS-|Gen.^CHinGaMaN^ was clubbed by DeathMedic
(dead) |-ERS-|Gen.^CHinGaMaN^: lol
Skeletor CacheAnimSkel: : File extension unknown. Attempting to open as skc file
----- CL_Shutdown -----
------- S_StopAllSounds (stop music) -------
------- S_StopAllSounds Complete-------
Called FadeSound with: 0.000000
------- S_StopAllSounds (stop music) -------
------- S_StopAllSounds Complete-------
------- Sound Shutdown (full) -------
------- Sound Shutdown Complete -------
RE_Shutdown( 1 )
Shutting down OpenGL subsystem
...wglMakeCurrent( NULL, NULL ): success
...deleting GL context: success
...releasing DC: success
...hiding window
...destroying window
...window successfully destroyed
...resetting display
...shutting down QGL
...unloading OpenGL DLL
-----------------------
FS_ReadFile with empty name

i don't know what it means but it crashes my game even after atleast 5 reinstalls, and registry cleanings.
my specs:
512 megs RAM
geforce 4 mx420
amd athlon XP 1900
sound blaster PCI128
46 gig HD