Do you have KLA2F.EXE related issues? First check your registry for hidden errors.

Windows keeps giving KLA2F.EXE errors?
If you keep getting KLA2F.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	568225	4
Messenger	wlcomm.exe	211491	8
Microsoft® Windows® Operating System	svchost.exe	139567	16898
Microsoft® Windows® Operating System	alg.exe	90017	7062
PC Connectivity Solution	NclRSSrv.exe	86668	38
AVG Internet Security	avgrsx.exe	83831	120
Eset Smart Security	egui.exe	83094	78
Logitech QuickCam	LVComSer.exe	82843	73
Trend Micro Plug-in Manager	CNTAoSMgr.exe	76519	8
VSCORE.14.0.0.370.x86	EngineServer.exe	76472	12
LMIGuardian	LMIGuardian.exe	74590	37
ThinkVantage Fingerprint Software	upeksvr.exe	72846	6
	btdna.exe	72250	40
Microsoft® Windows Live Login Helper	WLLoginProxy.exe	63952	248
Microsoft® Windows® Operating System	ctfmon.exe	62963	11145
Cyberlink PowerCinema	PDVDDXSrv.exe	59116	66
Microsoft® .NET Framework	dfsvc.exe	58605	20
Trusted Drive Manager	TdmService.exe	58561	9
PC Connectivity Solution	NclMSBTSrv.exe	55005	21
PC Connectivity Solution	NclUSBSrv.exe	52928	81
IJPLMSVC	ijplmsvc.exe	52695	103
Presentation Director	tpfnf7sp.exe	51730	37
	pctsSvc.exe	51501	2
HP Quick Launch Buttons	QLBCTRL.exe	49594	56
Microsoft® Windows® Operating System	csrss.exe	49194	6213
Trend Micro Internet Security	SfCtlCom.exe	47976	20
Microsoft® Windows® Operating System	lsass.exe	47694	6841
Unicenter DSM r11	amswsigscan.exe	47461	3
SupportSoft sprtcmd	sprtcmd.exe	46432	287
Microsoft® Windows® Operating System	searchprotocolhost.exe	45422	4
Cognizance Identity and Access Management	asghost.exe	44683	12
Microsoft LifeCam	vVX3000.exe	43307	4
COH Application	COH32.exe	42870	5
ThinkVantage System Update	Tvsukernel.exe	42172	3
Realtek HD Audio Data Rerouter	RtkBtMnt.EXE	41973	31
Office Life Boat for Program Recovery	OFFLB.EXE	41749	3
EPSON Status Monitor 3	E_S40RP7.EXE	41469	43
Microsoft Search Enhancement Pack	SeaPort.exe	41225	185
cyberlink brs	brs.exe	40803	75
atchk	atchk.exe	40598	34
	NMSAccessU.exe	40511	752
Microsoft® Windows® Operating System	smss.exe	40488	3655
Microsoft® Windows® Operating System	WudfHost.exe	38908	373
IntelliSonic Systray Control	KADxMain.exe	38748	61
Boot Camp	IRW.exe	38062	3
	[System Process]	37796	7353
pthosttr Application	pthosttr.exe	37627	28
Microsoft® Windows® Operating System	searchfilterhost.exe	36622	6
GrooveMonitor Utility	GrooveMonitor.exe	36550	694
Microsoft® Windows® Operating System	wdfmgr.exe	35331	2269