Same problem here at this end. and i only just installed it last night after a re-format,

My System Specs Are:

-Pentium 3 800mhz
-512mb SD Ram
-210gb hdd space total (10gb, 40gb, 160gb)
-64mb Geforce4 MX440
-Windows XP Professional (32bit)
-Realtek RTL8139A LAN card
-AC'97 Integrated Audio

And have run a graphic card tester, results are fine and runs other apps fine, just this one and it's constant flashing every 10mins or so

and i Have No Custom cursors enabled.