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Windows 7: svchost.exe CPU usage issue, possibly solved, need advice on next step

28 Jul 2016   #1

Windows 7 Professional x64
svchost.exe CPU usage issue, possibly solved, need advice on next step

My computer recently had an issue where after about 5 minutes the CPU would be running at ~12% and nearly 4 GBs or RAM were being used up -- while idling. Turns out the cause of the problem was svchost.exe.

After a dozen attempts at solving the problem and half-a-dozen reinstalls, I think I've finally solved the problem.

What I did was:

1. Perform a fresh install of Windows 7 + SP1.

2. Completely disabled Windows Updates.

3. Installed various drivers from the driver discs included with my motherboard.

4. Installed the April 2015 Servicing Stack Update (KB3020369).

5. Installed the Windows 7 SP1 Convenience Rollup (KB3125574).

So far the computer is behaving, it's been running for hours without any issues.

My first question is: should I enable Windows Updates? Right now I've completely disabled update services -- Windows can't even check for updates, let alone download them. I'm afraid that the second I enable update services, svchost.exe will start bothering me again.

If I do enable update checking and svchost.exe kicks in, what should I do? There are a few solutions I've read about that might work, but I'm not entirely sure which I should follow.

There is KB3065987, but that was presumably included in the Rollup package.

Another person said they installed KB3138612 after the rollup package, though I'm not sure why.

Searching for KB3138612 led me to a link wherein the author also recommended installing KB3145739.

And I've also read this link.

So should I enable updates? And if yes, and svchost.exe gives me a hard time, which of the above updates should I install?

My System SpecsSystem Spec

 svchost.exe CPU usage issue, possibly solved, need advice on next step

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