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Windows 7: Browser crashes, then task manager not repoding and will not shut down

12 Nov 2011   #1
Derek Williams

Win 7 ultimate
Browser crashes, then task manager not repoding and will not shut down


Intel core i7 2600 3.4G
Gigabyte GA-P67A-UD3P-B3 P67 Socket
16G DDR3 1333MHz HyperX Blu Memory
Gigabyte 6970 graphics card
WD 320GB 3.5" SATA-III 6Gb/s Caviar Blue Hard Drive - 7200RPM 16MB Cache x2 (system drives)
Caviar Blue Hard Drive - 7200RPM 1TB (x2 mirrored)
Western Digital WD10EARS 1TB Hard Drive SATAII 5400rpm 64MB Cache (X2 mirrored)
Thermaltake Toughpower XT 875W Modular PSU - 4x PCI-E 8x SATA

Win 7 Ultimate x64 - the original installed OS on the system and full retail version. The machine was built in July this year and has had this problem since new.

I did a total rebuild recently (past 10 days), the result was exactly as before.


No BSOD, but often the machine becomes totally unresponsive, no mouse, no keyboard.

Youtube is especially prone, will fail after about 20-30 mins of we browsing. The video begins to load and then stops and nothing happens. I sometimes get "website not repsonding" and after trying to quit it returns and works for a while, then locks up. All browsers (IE, Firefox and Chrome)

When this happens, task manager becomes unresponsive and the machine will not shut down, often hanging on the "logoff" screen, sometimes hanging on "shutting down" screen.

If a total lock up happens, the only way out is to press the restart button.

I've installed a new soundcard instead of the onboard sound (M-Audio delta) and tried a different graphics card, the fault remains. I've run memcheck86 and no fault found. Core temps are around 51 deg.

All drivers are up to date and I have today installed the 16bit flash upgrade. I've run Uniblue registry booster and cleared some errors, but the problem remains.

I've ran a performance report, but nothing I can see wrong.

The machine has no problems with my Adobe master collection or playing local media (mp3. DVD etc).

I've run out of ideas. Help please!

PS as I type this the font in this window is distorting in size somewhat.

My System SpecsSystem Spec
13 Nov 2011   #2
Derek Williams

Win 7 ultimate

No takers on this? It really is driving me mad, as you can imagine.

After I made that post (in IE 9) Firefox wouldn't load, Task manager crashed and then the machine locked.

My System SpecsSystem Spec

 Browser crashes, then task manager not repoding and will not shut down

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