Runtime Broker high CPU usage

win10系统下Runtime Broker进程占用过高内存,CPU解决办法

This has become quite a long thread so I’ll try to summarize it:

Issue:

A process called Runtime Broker has a high CPU usage in Windows 10 (final release version).

Cause:

Unknown, there seem to be multiple causes and multiple solutions. May be related to OneDrive, permissions for metro apps, Background Task Infrastructure Service, Windows spotlight thingy, windows tips and a number of other apps.

Solutions thar work for some:

  • Registry hack: run regedit.exe, navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TimeBroker, change “Start”=dword:00000003 to dword:00000004. This will affect parts of Cortana, like new apps not showing up and you can’t set reminders.
  • Switch your lock screen background (Settings -> Personalization -> Lock Screen) from Windows Spotlight to Picture. Preferably but not necessarily a picture of a ninja cat on a dinosaur 😉 Additionally disable the live tile of your photo app by right clicking on it.
  • Settings -> System -> Notifications & actions -> Disable “Show me tips about Windows”
  • Disable (at least to test) the P2P sharing in all settings>update>advanced>chose how updates are delivered. Set “updates from more than one place” to off.

If these don’t work, your odds of finding a fix have dropped considerably, but you could try:

  • Try disable background Apps:  go to “Start->Settings ->Privacy -> Background Apps” and Turn-off those apps.
  • Deleted Groove music using powershell. Used these commands: Get-AppxPackage -name “Microsoft.ZuneMusic” | Remove-AppxPackage     Get-AppxPackage -name “Microsoft.Music.Preview” | Remove-AppxPackage    (To bring up powershell, press win+r and type powershell. Hit enter, copy and paste one at a time).
  • Disable/delete OneDrive / SkyDrive
  • Disable Google Drive if you use it
  • Remove .Net 3.5
  • Remove any external drives / NAS locations from your Photos and Music libraries
  • Close all programs and restart them one by one to try to find the culprit, uninstall the culprit. Yes, we’re in the desperate stage.
  • Do a full refresh of Windows 10. But note: many people have the problem persist, even after a vanilla install of Windows 10.
  • Send MS an angry e-mail. Wait for them not to respond. Throw a brick through the Windows(R) of your local MS office. Won’t fix the problem, will fix your frustration for a while.

Thanks to everyone who posted a solution i incorporated in this post. Please let us know if any of these fixes worked for you.

If none of that works for you

See instructions below by ZigZag3143 to create a report. Please create a new thread with your report and e-mail ZigZag by using the link to the thread on his profile. Do not e-mail the trace.

Edit: i went through the thread a few times to aggregate plausible solutions in this post. Latest was 14-8. Also, i removed the comment that after resetting the registry hack, the issue was still fixed for me. Turns out I had misnamed my registry files. After resetting the registry the issue came back after all.

original post:

I have just upgraded my pc to Windows 10. After install, I reset it to get a fresh clean installation. That made a huge difference in responsiveness of the start menu, which before used to take 20-30 seconds to open. However, now a process called Runtime Broker is taking up 20-40% of my CPU. I googled that this app is about permissions for metro apps or whatever they’re called. I’ve found several threads about either high memory usage or antivirus, but I don’t have any antivirus installed except windows defender and Runtime Broker only uses a few MB of memory. But it does hog my CPU. I did try manually ending it with the End Task button, but then it restarts within seconds and keeps hogging my CPU.

For now i applied a registry hack. Changed [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TimeBroker] “Start”=dword:00000003 to dword:00000004. While that stops the process from hogging my cpu, i have no idea what i’ve done and what the consequences are.

Specs:

– Windows 10 build 10240, pro with all updates installed, upgraded from a genuine 8.1 pro.

– No additional Metro apps installed. I tried uninstalling a bunch of them but they just get reinstalled

– Computer: Samsung Ativ Pro convertible XE700T1C, multiboot with Windows 8.1 home oem that came with it (so two genuine licences on different partitions on one system)

Please help me! What can i do to get this properly fixed based on understanding the cause of the problem rather than random registry hacks.

http://answers.microsoft.com/en-us/windows/forum/windows_10-other_settings/runtime-broker-high-cpu-usage/4302a4dd-44c1-474e-8e6a-3c00889c65a7?auth=1

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