now it says fail to intiliaze direct x

yes i just did. i restart my pc.. but my pc is running only like 2GB Ram and i have 6 lol

free windows update to windows 10

GUNZ 1,0,0,290 launched. build (Feb 7 2015 22:23:13)
Log time (08/04/15 19:40:17)
Linear88's Runnable!
CPU ID = GenuineIntel ( family = 518 , model = 5 , stepping = 2 ) @ 2261 MHz
Display...

when i try to launch gunz and i want to start its getting closed

hi i updated to w10 and i cant run gunz anymore.. how to fix??