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Every now and again my laptop starts to be choppy (from lagging mouse response to complete freeze).
If I manage to open the Task Manager I find SVCHOST using up all the memory it can get. After a minute or two it releases the memory and the computer returns to normal.

What is the cause and how can I prevent this from happening?

I'm running Windows 7 with 8 Gb RAM.

Gidil
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1 Answers1

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What is the cause and how can I prevent this from happening?

This is the Windows Update service which scans for new updates. Microsoft tries to fix it with several updates.

Install this update to fix it:

Windows Update Client for Windows 7: March 2016
https://support.microsoft.com/en-us/kb/3138612

Before trying to install the MSU, stop the Windows Update service (net stop wuauserv from admin cmd.exe) to avoid a hang during setup.