Crashing at load areas/load saves

[COLOR=‘DarkOrange’]For the a good while it was fine then I crashed changing areas, then it started happening more frequently. Now it’s happening every time i get in the game then either die and have to reload or change into a new area. I get messages such as:

"Engine Error

Can’t load lump ##, allocation of ######### bytes failed!!!"

My computer specs if needed are:
Win7
i7-2700K
GTX 570 1279mb gddr5
16gigs DDR3 1600

800gig’s free on hard drive
hl2_4104_crash_2012_9_15T2_59_9C0.mdmp (113 KB)

[COLOR=‘DarkOrange’]I changed the difficulty from normal to easy, frankly because I was getting my ass kicked by perfect soldiers and the crashes seemed to stop for quite a while. I did wind up crashing again but not repetitively.

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