Since patch 2 AH is really unstable.
Before that i rarely ever had a disco or a lock-up, but since patch 2 about 1 lock-up every hour of play and a disco once a day.
Also MA is loading real real slow. Takes about 30-45 secs before everything is loaded (dot bar, squaddies on AH voice, roster etc.)
Also AH sometimes just goes down. Poof and there i sit on my desktop.
My System:
Athlon TB 750 MHz
256 MB RAM
MSI G2Ti Pro-T 64 MB Ram
Detonator 21.83
Windows 98 SE
DirectX 8.1
DSL-Connect