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High CPU useage under PC low load

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#1 peterlonz


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Posted 18 July 2016 - 09:25 PM

I have encountered a problem which is manifested right now by:

1) PDEngine.exe (a defrag component of Perfect Disc by Rasco SW) using from 10 to 25 % of CPU.

No obvious reason for this, Perfect Disc program just updated in hope of solution but no change.

Have not tried uninstall & reinstall.


2) SVChost.exe running consistenly at about 50% of CPU. THis settled down overnight but upoon a restart this morning we are back at 50%. Task manager reports this instance as "system".

No better info from Process Explorer, just installed to assist in fault loaction.


The upshot is my PC is unbearably slow, particularly to load programs.

Naturally I have performed multiple scans looking for malware & virus, Avast is always on, SuperAntiSpyware used to dump the stuff it normally finds, AdwCleaner & JRT also used together with Malwarebytes & Emmisoft.

Malwarebytes Beta version of Anti Ransomware also always on.

Only Emmisoft found problems but all were on partitions other than C & most were clearly false positives & not found in previous checks by Emisoft.


Immediately before the above I experienced:


1) A complete inability to boot after a shutdown. Nothing, just blank screen, multiple tries to no avail.

     Then after a nights sleep I again try just for the heck of it & lo it boots up, but with the above problems.


2) This message after the eventual restart: 

    "Redemption component was not found or is not properly registered, Please contact $Team support for assistance."

    4Team is the developer of "Safe PSTBackup" a program I have used for over 6 months without problems. Support has     been contacted.


Current system report from Belarc Advisor attached FYI. ER no not allowed apparently so detrails copy pasted below in part


Would be very grateful for help, I don't want to risk making things worse by guessing & playing around.


Operating System

Windows 7 Home Premium (x64) Service Pack 1 (build 7601)
Install Language: English (United States)
System Locale: English (United States)
Installed: 21-Feb-15 2:17:12 PM
Boot Mode: Legacy BIOS in UEFI (
Secure Boot not supported)

System Model

Gigabyte Technology Co., Ltd. H97M-D3H 
Enclosure Type: Desktop



Processor a

3.40 gigahertz Intel Pentium G3450
128 kilobyte primary memory cache
512 kilobyte secondary memory cache
3072 kilobyte tertiary memory cache
64-bit ready
Multi-core (2 total)
Not hyper-threaded

Main Circuit Board b

Board: Gigabyte Technology Co., Ltd. H97M-D3H 
Bus Clock: 100 megahertz
UEFI: American Megatrends Inc. F4 06/28/2014




5256.92 Gigabytes Usable Hard Drive Capacity
1129.52 Gigabytes Hard Drive Free Space

TSSTcorp CDDVDW SH-224DB ATA Device [Optical drive]

ST2000DM001-9YN164 [Hard drive] (2000.40 GB) -- drive 1, s/n Z1E2ACG1, rev CC4H, 
SMART Status: Healthy
ST31000528AS [Hard drive] (1000.20 GB) -- drive 3, s/n 9VP23RLA, rev CC37,
SMART Status: Healthy
TOSHIBA DT01ACA200 [Hard drive] (2000.40 GB) -- drive 2, s/n 53UDTZ1AS, rev MX4OABB0, 
SMART Status: Healthy
TS256GSSD370 [Hard drive] (256.06 GB) -- drive 0, s/n B968680398, rev N1114B,
SMART Status: Healthy

Memory Modules c,d

3962 Megabytes Usable Installed Memory

Slot 'ChannelA-DIMM0' has 2048 MB (serial number A2001B1A)
Slot 'ChannelA-DIMM1' is Empty
Slot 'ChannelB-DIMM0' has 2048 MB (serial number A2001B19)
Slot 'ChannelB-DIMM1' is Empty



Local Drive Volumes


c: (NTFS on drive 0) *

255.95 GB

134.61 GB free


d: (NTFS on drive 0)

105 MB

24 MB free


e: (NTFS on drive 3)

262.14 GB

65.02 GB free


f: (NTFS on drive 1)

371.35 GB

37.55 GB free


g: (NTFS on drive 2)

532.26 GB

189.33 GB free


h: (NTFS on drive 2)

524.29 GB

219.70 GB free


i: (NTFS on drive 2)

461.37 GB

127.72 GB free


j: (NTFS on drive 2)

482.34 GB

50.70 GB free


k: (NTFS on drive 3)

245.23 GB

14.30 GB free


l: (NTFS on drive 1)

430.66 GB

12.30 GB free


m: (NTFS on drive 1)

225.45 GB

82.85 GB free


n: (NTFS on drive 1)

431.34 GB

80.00 GB free


o: (NTFS on drive 1)

541.60 GB

68.72 GB free


r: (NTFS on drive 3)

251.66 GB

38.21 GB free


s: (NTFS on drive 3)

241.17 GB

8.49 GB free


* Operating System is installed on c:



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#2 Willy22


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  • Local time:08:07 PM

Posted 19 July 2016 - 09:31 AM

- (Temporarily) disable all Perfect Disc stuff. What happens to CPU & memory usage ?

- Open Task Manager (Services tab), highlight "Wuauserv" and right click on "Go To Process". Does it highlight a process called "Svchost" ? Does that instance of "Svchost.exe" use A LOT OF CPU ? If so, then you have a "Windows Update" problem.


- Another possibility is that your HD is failing. Run GSmartcontrol and tell us how many red(-ish)/pink lines show up in the "Attributes" tab (Excluding "Temperature").


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