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WMI Provider Host seems to be eating up my CPU resources

post #1 of 6
Thread Starter 
When I first started Folding @ Home I could get steady 15,000 PPD. A few months now though my average has dropped to around 11,000 (possibly because I've been more conservative with my overclocks, keeping it close to 4.0 GHz), but just a few weeks ago it's dropped as low as 4000 PPD. It's strange, I can reboot the computer and reset my overclock, and everything goes back to ~10,000 PPD, but as soon as I leave it running for a few hours, turn on and off a few web browsers, and the PPD just drops right back down.

I checked my Resource Monitor and sure enough, FahCore_a4 does seem to be using 80% of my CPU, but the one just bellow it is WMI Provider Host, and it has almost the entire remaining 20% all to himself. I looked it up online and found that it's something that can cause problems on laptops, but it's never clear how to fix it (there was something that involved shutting off a wireless thingy on HP laptops, but I'm using a desktop with an Asus motherboard). So... does anyone have any idea what the problem might be? It's not really hurting my everyday PC experience, but it's just killing my long-term F@H score.

Also,
I checked the thermals, thinking it might be dust that's accumulated over the past year and maybe the heat is killing my CPU's performance. But the board seems to have a most points well bellow 40 degrees, with the highest still under 50 (very similar to what it was like when I first built the PC). I'm at a loss.
The Dark Tower
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CPUMotherboardGraphicsRAM
Intel Core i5 3570K SABERTOOTH Z77 PNY GeForce GTX 670 Crucial Ballistix 16GB DDR3 
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Crucial m4 128GB SSD Western Digital Black 2TB Noctua NH-C12P Windows 7 Home - 64-bit 
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Sony 40-inch 1920 x 1080 TV Lepa 80+ Gold 500W Lancool K63 Logitech Performance MX 
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The Dark Tower
(12 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K SABERTOOTH Z77 PNY GeForce GTX 670 Crucial Ballistix 16GB DDR3 
Hard DriveHard DriveCoolingOS
Crucial m4 128GB SSD Western Digital Black 2TB Noctua NH-C12P Windows 7 Home - 64-bit 
MonitorPowerCaseMouse
Sony 40-inch 1920 x 1080 TV Lepa 80+ Gold 500W Lancool K63 Logitech Performance MX 
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post #2 of 6
It seems to be some sort of software issue. I would google around to find a way to fix it. You could try to see if the problem goes away in safe mode. If that fails, you could reinstall Windows, which I believe will fix it. You could also try out Linux, which is great for everything but gaming, and is much easier to solve issues on.
post #3 of 6
Thread Starter 
Hmm... both of those sound a little extreme.

I do game, so Linux really isn't an option unfortunately. And there are some things that are very tricky to back up (things like my Skype conversation records, haven't figured out how to save those), so reinstalling Windows is a... last-ditch emergency option. If those really are my only options I think I'll leave it. Wait until I'm ready to upgrade my boot drive and reinstall Windows then.
The Dark Tower
(12 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K SABERTOOTH Z77 PNY GeForce GTX 670 Crucial Ballistix 16GB DDR3 
Hard DriveHard DriveCoolingOS
Crucial m4 128GB SSD Western Digital Black 2TB Noctua NH-C12P Windows 7 Home - 64-bit 
MonitorPowerCaseMouse
Sony 40-inch 1920 x 1080 TV Lepa 80+ Gold 500W Lancool K63 Logitech Performance MX 
  hide details  
Reply
The Dark Tower
(12 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3570K SABERTOOTH Z77 PNY GeForce GTX 670 Crucial Ballistix 16GB DDR3 
Hard DriveHard DriveCoolingOS
Crucial m4 128GB SSD Western Digital Black 2TB Noctua NH-C12P Windows 7 Home - 64-bit 
MonitorPowerCaseMouse
Sony 40-inch 1920 x 1080 TV Lepa 80+ Gold 500W Lancool K63 Logitech Performance MX 
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post #4 of 6
Well, you could troubleshoot it by booting into safe mode is what I was saying. Not that extreme, lol.
post #5 of 6
Moved to Folding section
it looks alive
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Sandy Transformed
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CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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it looks alive
(17 items)
 
Sandy Transformed
(69 photos)
 
CPUMotherboardGraphicsRAM
i5 2500K [5ghz 1.44v 24/7] Asus Maximus IV Extreme SLI GTX 460 @ 920/1840/4100 [1.11v] 4GB Dominator GT @ 2133mhz CL8 [1.65v] 
Hard DriveHard DriveCoolingOS
Intel X25-M G2 80GB 3x Samsung F3 500GB RAID 0 EK Supreme HF Full Copper Windows 7 Ultimate 64bit 
MonitorPowerCaseAudio
LG42SL9500 42" 1080p [Surround Soon] XFX XXX Edition 650w Xigmatec Elysium JVC HA-RX700 [foam mod] 
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Reply
post #6 of 6
Hmm, what are you using to monitor performance? HFM?

Which client are you using, and can you paste logs?

PPD will vary with different projects (work units), so that could be part of it, the performance should decrease after time really.
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