NT Kernel & System 50 CPU (rtoskml.exe!KeReleaseInStackQueuedSpinlock+0x1e0)

Jan 23, 2013
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My computer has been extremely slow lately, stuttering/lagging etc. I've tried defragmenting it, cleared a load of space off my hard drive, full scans with Mcafee and SUPERAntiSpyware, in safe mode with the internet off, I've tried the windows error checker, I've used windows update, but it's still slow.

I've been looking for answers and I can't quite find any, here's some pictures:

(Only comes up when I click 'show Processes from all users.'

So does anyone have any answers?

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