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

K

 
ktchnsnk.exe
ktp3.exe 
khalmnpr.exe
keylogger.exe
khost.exe
kmaestro.exe
khooker.exe
keyhook.exe
kodakccs.exe  KAVPF.exe kavsvc.exe kazaa.exe Kazza.exe
KB891711.exe kb918547.exe kbd.exe kboost.exe kdail.exe 
kdb.exe kdrzg.exe kem.exe kernel.exe  kernel32.exe
keyloggerpro.exe