Windows 8.1

I have a Lenovo Edge E430 with an i5 cpu and 4gb of Ram. I upgraded from windows 8 to Wincows 8.1. Since the upgrade my laptop is running extremely slow. I notice that the disk utilization jumps up to 100% frequently. I see that Service Host: Local System (Network Restricted is eating up a lot of the Disk through task manager. I haven't installed anything since the upgrade. I ran spybot and all it found was some cookies that were removed. Any Ideas? Suggestions?
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Dimo DimitrovConnect With a Mentor Commented:
Try to stop Superfetch in Windows services.
Steven HarrisPresidentCommented:
I have seen this noted a few times in the Windows 8 forums, but the solution os always a one-off.

Try some of the following:

Weirdest one first - If you have Skype -
Running Skype for the first time fixed my 100% disk usage problem too.  Why?  I have no idea.  But, that fixed the problem for my laptop after I upgraded to Windows 8.1.

Change or Disable Paging File settings

Last but not least, -

Look in the Disk tab and expand the Disk Activity section to see what files are being accessed.
penntechsAuthor Commented:
Skype didn't resolve it. What Disk tab are you referring to?
Free Tool: Port Scanner

Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.

One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.

Steven HarrisPresidentCommented:
I am sorry I should have been more clear.

Task Manager > Open Resource Monitor > expand the Disk section.  This will show you what files are being accessed, with Read and Write rates.
penntechsAuthor Commented:
I changed the pagefile to the recommended setting. Here are two snapshots of what I see in Task Manager. No change.[
Steven HarrisPresidentCommented:
Do you have System Restore enabled?  Just for grins, try disabling it and rebooting the machine.
penntechsAuthor Commented:
Two more snapshots. OK I will try the system restore disabled reboot.
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