Sluggish PCs are commonly caused programs running in the background, which in some cases are started automatically when Windows starts up.

Sometimes these programs are useful but quite often, however, are not needed, and some many cases may be disgusted as trojans, spywares, malwares and even viruses.

The pages below provide a guide on the usefulness these background tasks, Windows 98 / 2000 / XP / Vista / 7 services, and Windows Startups, and removal procedures when recommended.

Common Windows Processes: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

Common Windows Services: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

Common Third Party Processes: 0-A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

W

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wtoolsa.exe  wuser32.exe  wwdisp.exe 
waol.exe
wsup.exe 
workflowtray.exe 
wltray.exe wmpocm.exe 
wkfud.exe WLsetupsvc.exe 
wanmpsvc.exe  washidx.exe watchdog(1).exe  watchdog.exe  wtoolsa(2).exe 
wbutton.exe  wcmdmgrl.exe wcourier.exe wdbtnmgr.exe wdezlink.exe 
weather.exe  webscanx.exe  webshotstray.exe  wfcrun32.exe wfdmgr.exe 
wfgekyo.exe  whsurvey.exe wifimsg.exe win.exe win32sl.exe
winactive.exe  winamp.exe  winampa.exe  winantiviruspro2007freeinstall.exe winctlad.exe
winlip.exe  winlog(1).exe  winlog(2).exe winlog.exe  winmplayer.exe
winmx.exe winnook.exe  winocx.exe winpatrol.exe  winpatrolex.exe
winremote.exe  wins32.exe winsrv32.exe winstall.exe  winsys2.exe
wintouch.exe  winupdate.exe  winupdates.exe