Comparison of 176 Registry Cleaner Products: Choke Test

These tests were performed in October 2010

Registry Cleaner Products Choke Test

To test the registry cleaner engine’s ability to analyze file references, 20,000 broken file references were imported to the registry: 10,000 in the 32-bit view of the registry and 10,000 in the 64-bit view of the registry. The invalid data was spread across different registry keys.

Product Total Errors Found Scan Time Finds Test Errors Comments
1-ACT Registry Cleaner 2006 202 4 sec n/a Shows only 3 first errors, impossible to test. See screenshot 1 and Seescreenshot 2
1 Click Fixer Plus 4252 24 min 8 sec Many
1-Click PC Fix 211 1 min 8 sec Some
360 Amigo System Speedup 1470 27 sec Some
Abexo Registry Cleaner 300 19 sec None
Abyssal Registry Cleaner 14448 25 min 25 sec Most
Ace Utilities 16520 21 sec Most
ACleaner 240 38 sec Some
Advanced PC Optimizer 5957 64 sec Some
Advanced Registry Optimizer 476 14 min 37 sec Some
Advanced System Care 20 8 sec None
Advanced System Optimizer 8 14 sec None
Advanced Vista Optimizer 2009 n/a n/a n/a Crashes when starting, cannot test. See screenshot.
All in One Cleaner 582 32 sec Some
AML Free Registry Cleaner 5628 6 min 7 sec Many
AMUST Registry Cleaner 29 12 sec None
Argente Registry Cleaner n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Ashampoo winoptimizer 50 6 sec None
Auslogics Registry Cleaner 33 3 sec None
AVS Registry Cleaner n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Bug Doctor 1649 6 min 55 sec Some Shows error messages during scan. See screenshot 1 and Seescreenshot 2
CCleaner 18 3 sec None
Chily Registry Cleaner 592 30 sec None
CleanMyPC Registry Cleaner 113 6 min 55 sec None
COMODO System Cleaner 78 3 sec None
Complete Cleanup n/a n/a n/a Does not contain a registry cleaner feature. See screenshot.
CyberDefender Registry Cleaner 1869 7 min 44 sec Some
Dedaulus System Cleaner 205 14 sec Some Shows an error message when starting. See screenshot.
Desktop Maestro 5902 36 sec Many
Detnox Registry Cleaner n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Digeus Registry Cleaner 10338 7 min 42 sec Most
EasyCleaner 704 1 min 21 sec Some
EnhanceMyVista Pro (censored) (censored) (censored) (censored)
Eusing Free Registry Cleaner 246 42 sec Some
Ez Registry Cleaner 939 3 sec None
Fixio PC Cleaner 2010 1061 1 min 27 sec Some
Fix-it utilities 10 Pro 312 2 min 35 sec Some
Free Professional Registry Doctor 34 6 sec None Shows an error message before starting the scan. See screenshot.
Free Registry Fix 5.0 1256 1 min 16 sec None
Free Window Registry Repair 702 1 min 28 sec Some
Frontline RegCleaner 1088 1 min 8 sec Some
Glarysoft Registry Repair 3951 16 sec Some
Handy Registry Cleaner n/a n/a n/a A browser toolbar, not a registry cleaner? See screenshot.
ID Registry Cleaner n/a n/a n/a Program crashes after a scan, impossible to test. See screenshot.
Innovative System Optimizer n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
jv16 PowerTools 2009 12591 46 min 55 sec Most
jv16 PowerTools 2010 15492 2 min 21 sec Most
Lavasoft Registry Tuner 497 9 sec Some Says that the program doesn’t scan the entire registry under 64 bit Windows. See screenshot.
Little Registry Cleaner 42 9 sec None
LogiGuard Master Mechanic II n/a n/a n/a Crashes when starting the scan, impossible to test. See screenshot.
Mars WinCleaner n/a n/a n/a Does not contain a registry cleaner feature. See screenshot.
Max PC Booster n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Max PC 73 16 sec None
Max Registry Cleaner 2117 14 min 23 sec Some
MCS Registry Cleaner 2008 5012 25 min 3 sec Many Program not responding during the scan. See screenshot.
Migo Registry Repair 2405 10 sec Many
MindSoft Registry Cleaner n/a n/a n/a Crashes when starting, impossible to test. See screenshot.
Mr Fix Registry Cleaner 19 2 sec None
MV RegClean 5 14375 5 min 58 sec Most
My Bug Free PC 124 59 sec None
nCleaner 449 5 sec None
NetGate Registry Cleaner 235 54 sec None
Norton Utilities 5979 30 sec Many
OK Registry Cleaner 13021 11 min 6 sec Most Program not responding during the scan. See screenshot.
PAL Registry Cleaner Optimizer Many 1 min 19 sec Many
ParetoLogic PC Health Advisor 37 38 sec None
PC Bug Cleaner 6241 5 sec None
PC Error Cleaner 8312 43 sec Many
PC Pitstop Optimize 44 28 sec None Does not start without an internet access. See screenshot.
PC-Kitchen Registry Cleaner 57 3 min 48 sec None Does not install without an internet access. See screenshot.
PC Doc Pro 275 1 min 13 sec Some
PC Registry Cleaner 971 34 sec None
PCSleek Free Error Cleaner 857 1 min 21 sec None
PerfectOptimizer 500 7 sec None
PerfectSpeed PC Optimizer 91 6 sec None
Pimasoft Registry Cleaner 38? 3 min 22 sec None? After the scan, the program went to a freeze like state and didn’t show other found errors, if any
Pointstone Registry Cleaner 132 3 sec None
Power Registry Cleaner 312 18 sec None
Privacy and Registry Cleaner 566 1 min 48 sec Some
PowerTools Lite 8293 2 min 13 sec Many
QCleaner 1373 3 sec None
Quick Registry Cleaner 1709 21 sec Some
Quicksys RegCleaner 2009 626 29 sec Some
QuuSoft Registry Cleaner 13113 10 min 10 sec Most
Reg Organizer 10492 2 min 46 sec Most
RegAce 1329 35 sec Some
RegAdvance 15857 36 sec Most
RegClean Pro 18649 30 min 11 sec Most
RegCleaner 2639 1 min 13 sec Some
RegCross Registry Cleaner 286 25 min 12 sec None
RegCure 11 9 sec None
RegDrill (censored) (censored) (censored) (censored)
Reg Fix Mantra 1474 42 sec Some
RegGenie 2560 1 min 15 sec Some
RegiGuard 69 21 sec None
RegInOut 1098 36 sec Some
Registry Clean Master 117087 12 min 51 sec Most
Registry Cleaner – Scan Tool n/a n/a n/a Not a registry cleaner per se, only downloads RegCure and installs it to the computer
Registry Cleaner 4 1507 26 sec Some
Registry Cleaner And Fixer 666 23 sec Some
Registry Cleaner Free 91 6 sec None Requires internet access and Adobe Flash Player to work. Seescreenshot.
Registry Distiller 7264 20 sec Many
Registry Doctor n/a n/a n/a Freezes when running, cannot test. Watch screen capture (AVI).
Registry First Aid n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Registry Help 16232 33 sec Most
Registry Mechanic 6059 21 sec Many
Registry Repair Pro 426 23 min 45 sec Some
Registry Smoker n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Registry Speedup 813 1 min 50 sec None
Registry Clean Expert 186 1 min 4 sec None
Registry Life 265 59 sec None
Registry Repair Wizard 194 1 min 40 sec None
Registry Convoy 243 14 sec None
Registry Defense 1640 46 sec Some Crashed after the scan, cannot test. See screenshot.
Registry Easy 12753 10 min 51 sec Most
Registry Genius 19176 17 min 40 sec Most
Registry Kit 2115 3 min 3 sec Some
Registry Medic 2008 756 36 sec Some
Registry Medic 5 755 30 sec Some
Registry Reviver 4774 18 sec Some
Registry Rid 292 18 sec None
Registry Sweeper Pro 226 5 sec None
Registry Winner 649 11 sec None
Registry Fix It 112 50 sec None
RegRepair 2000 n/a n/a n/a Does not install, cannot test. See screenshot.
RegScrubVistaXP 1853 56 sec Some
RegScrubXP 1195 1 min 20 sec None
RegSeeker 5052 38 min 32 sec Some
RegTidy2009 262 9 sec None
RegTool 453 19 sec None
RegToy n/a n/a n/a Does not contain a registry cleaner feature. See screenshot.
RegTweaker 1380 2 sec None
RegUtility 3120 53 sec None
RegVac Registry Cleaner (censored) (censored) (censored) (censored)
Regwork 3529 3 min 1 sec Some
RegZooka 891 1 min 27 sec None
Riverbit Registry Cleaner 302 6 sec None
Security Stronghold Registry Cleaner 264 7 sec None
Slow-PC Fighter n/a n/a n/a Does not install, cannot be tested. See screenshot.
Smart PC 8108 28 sec Many
SS Registry Fixer 26 3 sec None
Super Rabbit Registry Optimizer 616 8 sec Some
Super Utilities Professional 389 10 sec Some
SuperEasy SpeedUp n/a n/a n/a Does not install, cannot be tested. See screenshot.
System Mechanic 386 6 min 32 sec None
System Cleaner 132 3 sec None
System Mechanic Pro 442 6 min 40 sec n/a Does not show registry entries
SystemUp Tuning 2009 n/a n/a n/a Does not work under 64 bit Windows, cannot test. See screenshot.
Tipard Registry Cleaner n/a 3 sec None Does not say the number of found errors. See screenshot.
TopicInfo Registry Rescue n/a n/a n/a Not a registry cleaner per se, only opens a custom browser that allows user to download 3rd party products like RegCure
TuneUp Utilities 2010 (censored) (censored) (censored) (censored)
TweakNow PowerPack 2010 317 13 sec None
TweakNow RegCleaner 319 13 sec None
TZ Windows Cleaner n/a n/a n/a Does not start, cannot test. See screenshot.
Ultimate Registry Cleaner 62 2 sec None
Uniblue Registry Booster 2010 72 21 sec None
Vista TuneUpSuite 10189 6 min 31 sec Most
Vit Registry Fix Free Edition 7612 2 min 10 sec Many
WinASO Registry Optimizer 1427 15 sec Some
WinCleaner OneClick Professional Clean (censored) (censored) (censored) (censored)
Window Cleaner n/a n/a n/a Does not contain a registry cleaner feature. See screenshot.
Windows Registry Repair n/a n/a n/a Does not work. Watch screen capture (AVI).
Windows7 Manager (x64) 542 13 sec None
Windsty Registry Cleaner 10212 7 min 25 sec Most
Winferno Registry Power Cleaner 2074 46 sec Some
WinMend Registry Cleaner 1192 17 sec Some
WinRescue 2000 n/a n/a n/a Does not install, cannot test. See screenshot.
WinTools.net Professional 697 49 sec Some
WinUtilities 465 5 sec Some
Wise Registry Cleaner Pro 477 28 sec Some
Wondershare Registry Optimizer 1430 18 sec Some
WINner Tweak Registry Cleaner XP 18 3 sec None
WyvernWorks Registry Fix-Up 2004 889 1 min 34 sec Some
XP Repair Pro 11278 2 min 7 sec Most
Your Cleaner 955 13 sec None
Your Free Registry Cleaner 199 25 sec Some

Due to product limitations, the number of the test errors found was determined by a visual estimation, on a scale of “None”, “Some”, “Many” and “Most”.

  • None” is self-explanatory;
  • Some” means the product found approximately ten test errors or less;
  • Many” means the product found approximately up to a few thousand of test errors; and
  • Most” means that the product seems to have found almost all, if not all of the test errors.