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

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ravmone.exe  razertra.exe  reader_sl.exe realplay.exe realsched.exe 
recguard.exe  registrybooster.exe registrycontroller.exe regmech.exe  regmfc.exe 
regperf.exe  regshave.exe regsrvc.exe remind_xp.exe  remind_xp1.exe 
repairregistrypro.exe rfagent.exe rlvknlg.exe robotaskbaricon.exe  router.exe
roxwatchtray.exe roxwatchtray9.exe rpitsp.exe  rps.exe rsdbserver.exe
rthdcpl.exe  rthdvcpl.exe rtvscan.exe ruktqbm.exe  rundll32(1).exe 
rundll32.exe  rxmon.exe  ravcpl64.exe ravmond.exe 
radio365
trayagent.exe