Comparison of 176 Registry Cleaner Products: Uninstall Comparison

These tests were performed in October 2010

Uninstall Comparison

In this test, all the 176 products were uninstalled using their own uninstaller in order to see how much, if any, data was left behind.

Product Uninstaller In Start Menu Shows A Nag Screen Leaves Files Behind Leaves Registry Data Behind Comments
1-ACT Registry Cleaner 2006 Yes No No No
1 Click Fixer Plus Yes No Yes Yes
1-Click PC Fix Yes No Yes Yes
360 Amigo System Speedup Yes No Yes Yes
Abexo Registry Cleaner No No No Yes
Abyssal Registry Cleaner Yes No No No
Ace Utilities No No No No
ACleaner No No No Yes
Advanced PC Optimizer Yes No No Yes
Advanced Registry Optimizer Yes No No Yes
Advanced System Care Yes No Yes Yes Launches the browser without permission from the user
Advanced System Optimizer Yes Yes No No Uninstallation not allowed before answering questions
Advanced Vista Optimizer 2009 Yes Yes No Yes
All in One Cleaner Yes No No No Launches the browser without permission from the user
AML Free Registry Cleaner Yes No No Yes Launches the browser without permission from the user
AMUST Registry Cleaner No No Yes Yes
Argente Registry Cleaner n/a n/a n/a n/a No installation needed, no uninstaller
Ashampoo winoptimizer Yes No No Yes Launches the browser without permission from the user
Auslogics Registry Cleaner Yes No No No
AVS Registry Cleaner n/a n/a n/a n/a Does not install under 64 bit Windows
Bug Doctor Yes No Yes No
CCleaner Yes No No Yes
Chily Registry Cleaner Yes No Yes Yes
CleanMyPC Registry Cleaner Yes Yes Yes Yes
COMODO System Cleaner Yes No Yes Yes
Complete Cleanup No No No No
CyberDefender Registry Cleaner Yes Yes Yes Yes Uninstallation not allowed before answering questions
Dedaulus System Cleaner n/a n/a n/a n/a No uninstaller
Desktop Maestro Yes No Yes Yes
Detnox Registry Cleaner Yes Yes No No
Digeus Registry Cleaner Yes No No Yes
EasyCleaner No No No No
EnhanceMyVista Pro (censored) (censored) (censored) (censored) (censored)
Eusing Free Registry Cleaner Yes No Yes No
Ez Registry Cleaner Yes No Yes Yes
Fixio PC Cleaner 2010 Yes Yes No No
Fix-it utilities 10 Pro No No Yes Yes
Free Professional Registry Doctor Yes No Yes No
Free Registry Fix 5.0 No No Yes Yes
Free Window Registry Repair Yes No Yes No
Frontline RegCleaner Yes No Yes Yes
Glarysoft Registry Repair Yes No No Yes
Handy Registry Cleaner No No No No
ID Registry Cleaner No No No No
Innovative System Optimizer Yes No Yes Yes
jv16 PowerTools 2009 Yes No No No
jv16 PowerTools 2010 Yes No No No
Lavasoft Registry Tuner Yes No No Yes
Little Registry Cleaner Yes No Yes Yes
LogiGuard Master Mechanic II Yes No Yes Yes
Mars WinCleaner Yes No No No
Max PC Booster n/a n/a n/a n/a Does not install under 64 bit Windows
Max PC Yes No Yes No
Max Registry Cleaner Yes Yes Yes No
MCS Registry Cleaner 2008 Yes No Yes No
Migo Registry Repair Yes No Yes Yes
MindSoft Registry Cleaner Yes No No No
Mr Fix Registry Cleaner Yes No Yes No
MV RegClean 5 No No No No
My Bug Free PC Yes No Yes Yes
nCleaner Yes No Yes Yes
NetGate Registry Cleaner Yes Yes Yes Yes
Norton Utilities Yes No Yes No
OK Registry Cleaner Yes No No No
PAL Registry Cleaner Optimizer Yes No No No
ParetoLogic PC Health Advisor No No Yes Yes Launches the browser without permission from the user
PC Bug Cleaner Yes No Yes Yes
PC Error Cleaner No No No No
PC Pitstop Optimize Yes No Yes Yes
PC-Kitchen Registry Cleaner Yes Yes Yes No
PC Doc Pro Yes No No Yes
PC Registry Cleaner Yes No Yes Yes
PCSleek Free Error Cleaner Yes No No Yes
PerfectOptimizer Yes No Yes Yes
PerfectSpeed PC Optimizer No No Yes Yes
Pimasoft Registry Cleaner Yes No Yes Yes
Pointstone Registry Cleaner Yes No Yes Yes Launches the browser without permission from the user
Power Registry Cleaner Yes No Yes No
Privacy and Registry Cleaner Yes No Yes Yes
PowerTools Lite Yes No No No
QCleaner Yes No No Yes
Quick Registry Cleaner Yes No Yes Yes
Quicksys RegCleaner 2009 Yes No Yes No
QuuSoft Registry Cleaner Yes No Yes No
Reg Organizer Yes No Yes Yes Asks a reason for uninstall
RegAce Yes No Yes Yes
RegAdvance Yes No No No
RegClean Pro Yes Yes Yes No
RegCleaner No No No No
RegCross Registry Cleaner Yes No Yes Yes
RegCure No Yes No No
RegDrill (censored) (censored) (censored) (censored) (censored)
Reg Fix Mantra Yes No Yes Yes
RegGenie Yes No Yes Yes Launches the browser without permission from the user
RegiGuard Yes No No No
RegInOut Yes No No Yes
Registry Clean Master Yes No Yes Yes
Registry Cleaner – Scan Tool n/a n/a n/a n/a No installation needed, no uninstaller
Registry Cleaner 4 Yes Yes No No
Registry Cleaner And Fixer Yes No No No
Registry Cleaner Free Yes No Yes No
Registry Cleaner Free Yes No Yes No
Registry Distiller Yes No No Yes
Registry Doctor Yes No No Yes
Registry First Aid n/a n/a n/a n/a Does not install under 64 bit Windows
Registry Help Yes No Yes No
Registry Mechanic Yes No Yes No
Registry Repair Pro Yes Yes No No
Registry Smoker n/a n/a n/a n/a Does not install under 64 bit Windows
Registry Speedup Yes No Yes Yes
Registry Clean Expert Yes Yes Yes Yes Nag screen with unskippable pause, asks a reason for uninstallation
Registry Life Yes No Yes Yes Asks a reason for uninstallation
Registry Repair Wizard Yes Yes Yes Yes Nag screen with unskippable pause, asks a reason for uninstallation
Registry Convoy Yes No Yes Yes Launches the browser without permission from the user
Registry Defense Yes No No Yes
Registry Easy Yes No No No
Registry Genius Yes No Yes Yes
Registry Kit Yes No Yes Yes
Registry Medic 2008 Yes No Yes Yes
Registry Medic 5 Yes No No No
Registry Reviver Yes Yes Yes Yes
Registry Rid Yes No Yes Yes
Registry Sweeper Pro Yes No No No
Registry Winner Yes No Yes No Launches the browser without permission from the user
Registry Fix It Yes No No Yes
RegRepair 2000 n/a n/a n/a n/a Cannot be installed
RegScrubVistaXP Yes No Yes No
RegScrubXP Yes No No No
RegSeeker n/a n/a n/a n/a No installation needed, no uninstaller
RegTidy2009 Yes No Yes Yes Launches the browser without permission from the user
RegTool Yes No Yes Yes
RegToy Yes No Yes Yes
RegTweaker Yes No No Yes Launches the browser without permission from the user
RegUtility Yes No No Yes
RegVac Registry Cleaner (censored) (censored) (censored) (censored) (censored)
Regwork Yes No Yes No
RegZooka Yes No Yes Yes
Riverbit Registry Cleaner Yes No No Yes
Security Stronghold Registry Cleaner Yes No Yes Yes Launches the browser without permission from the user
Slow-PC Fighter Yes No Yes Yes Launches the browser without permission from the user
Smart PC Yes Yes Yes Yes
SS Registry Fixer Yes No No No Asks a reason for uninstallation
Super Rabbit Registry Optimizer No No No No
Super Utilities Professional Yes No No Yes
SuperEasy SpeedUp Yes No Yes No
System Mechanic No No Yes No
System Cleaner Yes Yes Yes Yes Launches the browser without permission from the user
System Mechanic Pro No No Yes No
SystemUp Tuning 2009 Yes No No Yes
Tipard Registry Cleaner Yes No No No
TopicInfo Registry Rescue Yes No No No
TuneUp Utilities 2010 (censored) (censored) (censored) (censored) (censored)
TweakNow PowerPack 2010 No No Yes No
TweakNow RegCleaner No No Yes No
TZ Windows Cleaner Yes No Yes No
Ultimate Registry Cleaner Yes No Yes No
Uniblue Registry Booster 2010 Yes No Yes Yes
Vista TuneUpSuite Yes No No No
Vit Registry Fix Free Edition Yes No Yes Yes
WinASO Registry Optimizer Yes No No No
WinCleaner OneClick Professional Clean (censored) (censored) (censored) (censored) (censored)
Window Cleaner Yes No No No
Windows Registry Repair n/a n/a n/a n/a No installation needed, no uninstaller
Windows7 Manager (x64) Yes No No No
Windsty Registry Cleaner Yes No No No
Winferno Registry Power Cleaner No No No No
WinMend Registry Cleaner Yes No No Yes
WinRescue 2000 Yes No No Yes
WinTools.net Professional Yes No Yes No
WinUtilities Yes No No No Launches the browser without permission from the user
Wise Registry Cleaner Pro No No No Yes Launches the browser without permission from the user
Wondershare Registry Optimizer Yes No No Yes Launches the browser without permission from the user
WINner Tweak Registry Cleaner XP Yes No No Yes
WyvernWorks Registry Fix-Up 2004 Yes No No Yes
XP Repair Pro Yes No No Yes
Your Cleaner Yes No No No
Your Free Registry Cleaner Yes No No No

Color Codes: Green background is used for all products which Uninstalled without leaving any data behind; Did not show any nag screens; and Did not open the browser without permission from the user.