need help with Halo Combat Evolved for pc

[[V]ast [K]nowledge]

My settings never save(video settings) I cant use the explosive on the banshee, nor blood or bullet shots appear, and no particles such as dust, fire, and sparks appear....help!?!?(will accept help through teamviewer)

[Extractional]

Don't use those things

[Ed]

go into the settings.txt and change the values from 0 to 1

[Wolf]

Get halo for the xbox.

Also reinstall it.

[aeronyx]

Your computer is shitty, or you lost some files.

[[V]ast [K]nowledge]

i fixed the first few, but i cant see the who killed who thing, and i cant talk.