i am having trouble with the orange box and half life 2. the game keeps crashing.

The exact error is

"Engine Error: failed to lock vertex buffer in CMeshDX8::LockVertexBuffer". ???????????????????????????????????????????????? What the heck does this mean??????????????????????????????? It says this right after the game crashed, which i don't know why??

specs: 958MB RAM, GeForce 6150 LE 256MB, 2.0 GHz, AMD dual core 3800+ X2

do i need to upgrade, if so, what????

i am having trouble with the orange box and half life 2. the game keeps crashing.

The exact error is

"Engine Error: failed to lock vertex buffer in CMeshDX8::LockVertexBuffer". ???????????????????????????????????????????????? What the heck does this mean??????????????????????????????? It says this right after the game crashed, which i don't know why??

specs: 958MB RAM, GeForce 6150 LE 256MB, 2.0 GHz, AMD dual core 3800+ X2

do i need to upgrade, if so, what????

The exact error is "Engine Error: failed to lock vertex buffer in CMeshDX8::LockVertexBuffer". ???????????????????????????????????????????????? What the heck does this mean???????????????????????????????

It says this right after the game crashed, which i don't know why??

specs:

958MB RAM, GeForce 6150 LE 256MB, 2.0 GHz, AMD dual core 3800+ X2

i have the same problem and same error message, but im running windows xp. I don't know what the problem is. i also have something like "vortex error" and then the game crashes.