Help! Computer locks up whenever I'm in certain Applications!

I'm having serious problems whenever I load Games[Counter-strike, WoW, LOL, HON] or VLC media player. It randomly freezes for 10 seconds, forces me to ALT+TAB and C+A+D. This usually happens after I CTL ALT DEL it freezes, and does not allow me to do anything. Sitting on desktop hasn't caused this freeze yet.

After about 10 seconds it'll unfreeze and run fine. Temperatures seem okay, My specs are:
Windows XP
4gig g-skill DDR3
Hard Drive:
150gig raptor
Video Card:
GeFore 9800GTX+
Sound Card:
Creative SB Live! External
Syncmaster CRT 955DF

It's been happening for quite some time, I built this computer around the start of this year.

Any help is welcome!

8 answers Last reply
More about help computer locks applications
  1. What exact G.Skill RAM kit do you have? Have you manually set the RAM speed, timings, and voltage to their rated specs in the BIOS? Have you performed an overnight run of Memtest86+ to test for RAM errors?

    What PSU do you have? A low-end PSU will cause all sorts of stability issues.
  2. My G.Skil ram is DDR3-1600 , PC3- 12800. I have not manually set the RAM speed or timings or voltage at all, Nor have I ran memtest.
    however, I do plan on running memtest over night.

    My PSU is a Corsair TX850W, should be good enough for it.

    edit: im using all default bios settings just like my friend who has the same exact computer as me, and it never freezes for him
  3. There are a lot of G.Skill DDR3 1600 kits out there that run at different timings and voltages. That doesn't really narrow it down. Do you happen to have the model number of your RAM? They should also have a sticker on them that lists their rated timings, voltage, and model number. Running DDR3 1600 RAM under "auto" settings rarely works very well.
  4. Alright, I opened up the computer and wrote down everything that was on the sticker on the ram. I also completely dusted out the inside... it was very dusty in there.

    Here's what was on the sticker:
    DDR3-1600 PC3-12800 2GBx2

    CL-9-9-9-24 1.5V

    and under the barcode was the item number: 9501340086354
  5. Well, at least the RAM runs at the DDR3 standard 1.5v. I would certainly still do an overnight run of Memtest86+.

    What motherboard do you have? Are you sure you're using the correct RAM slots? The motherboard owners manual will tell you what slots to use.
  6. yes I use the correct ram slots, the motherboard came with a sticker on it telling me what to use.

    my motherboard is the EVGA E758

    Note, I did just change the ram timings in my bios to what it said on the sticker, the 9 9 9 24
  7. What was it set to automatically? Did you also set the speed to the correct value?
  8. it was not set to that automatically. and yes it was set to the correct value.

    hasn't frozen once since. thanks for the help!
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