HaloMods "Classic" Read-only Archive

ok well i found out the problem my mommy told me to clean the disk and it acually worked, thank you Dalek for the advice

and uhh.... exactly how do i do that?

alright so here it is, when i try to install my halo on my pc it only loads up to 74% then it stays at that for about 5 minutes after that it goes to a screen on the steup menu saying that "Halo Setup encountered a disc error while writing to the file C:\Program Files\Halo\maps\sounds.map. Make...