Do you have knownsvr.exe related issues? First check your registry for hidden errors.

Windows keeps giving knownsvr.exe errors?
If you keep getting knownsvr.exe errors, you may have registry errors. To help, we strongly recommend you run this free registry scan.

File versions

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50 most accessed processes
Product Name	Process name	View count	Query count
Java(TM) Platform SE 6 U5	jqs.exe	568038	4
Messenger	wlcomm.exe	211311	8
Microsoft® Windows® Operating System	svchost.exe	139286	16882
Microsoft® Windows® Operating System	alg.exe	89860	7059
PC Connectivity Solution	NclRSSrv.exe	86465	38
AVG Internet Security	avgrsx.exe	83669	120
Logitech QuickCam	LVComSer.exe	82696	73
Eset Smart Security	egui.exe	82377	77
Trend Micro Plug-in Manager	CNTAoSMgr.exe	76334	8
VSCORE.14.0.0.370.x86	EngineServer.exe	76317	12
LMIGuardian	LMIGuardian.exe	74451	37
ThinkVantage Fingerprint Software	upeksvr.exe	72514	6
	btdna.exe	72152	40
Microsoft® Windows Live Login Helper	WLLoginProxy.exe	63373	248
Microsoft® Windows® Operating System	ctfmon.exe	62759	11141
Cyberlink PowerCinema	PDVDDXSrv.exe	58993	66
Trusted Drive Manager	TdmService.exe	58327	9
Microsoft® .NET Framework	dfsvc.exe	58223	20
PC Connectivity Solution	NclMSBTSrv.exe	54824	21
PC Connectivity Solution	NclUSBSrv.exe	52782	81
IJPLMSVC	ijplmsvc.exe	52563	103
Presentation Director	tpfnf7sp.exe	51590	37
	pctsSvc.exe	51389	2
HP Quick Launch Buttons	QLBCTRL.exe	49385	56
Microsoft® Windows® Operating System	csrss.exe	48979	6206
Trend Micro Internet Security	SfCtlCom.exe	47764	20
Microsoft® Windows® Operating System	lsass.exe	47560	6839
Unicenter DSM r11	amswsigscan.exe	47016	3
SupportSoft sprtcmd	sprtcmd.exe	46321	287
Microsoft® Windows® Operating System	searchprotocolhost.exe	45313	4
Cognizance Identity and Access Management	asghost.exe	44554	12
Microsoft LifeCam	vVX3000.exe	43126	4
COH Application	COH32.exe	42708	5
ThinkVantage System Update	Tvsukernel.exe	41984	3
Realtek HD Audio Data Rerouter	RtkBtMnt.EXE	41813	31
Office Life Boat for Program Recovery	OFFLB.EXE	41569	3
EPSON Status Monitor 3	E_S40RP7.EXE	41263	43
Microsoft Search Enhancement Pack	SeaPort.exe	41052	185
cyberlink brs	brs.exe	40530	75
	NMSAccessU.exe	40393	752
atchk	atchk.exe	40392	34
Microsoft® Windows® Operating System	smss.exe	40353	3654
Microsoft® Windows® Operating System	WudfHost.exe	38664	370
IntelliSonic Systray Control	KADxMain.exe	38596	61
Boot Camp	IRW.exe	37947	3
	[System Process]	37614	7333
pthosttr Application	pthosttr.exe	37518	28
Microsoft® Windows® Operating System	searchfilterhost.exe	36508	6
GrooveMonitor Utility	GrooveMonitor.exe	36392	694
Microsoft® Windows® Operating System	wdfmgr.exe	35221	2269