here the list of better registry cleaner & windows optimizer of 2011. i think it will be helpful to you.
1. CCleaner
Powerful registry cleaner
Uninstall programs option
Editing your startup programs
System Restore
Disk Wiper
Exporting some settings to .txt file
Cookies cleaner
Including and excluding additional folders that you wish Cleaner t remove
Saving all settings INI file
Browser history, cookies and browsing data cleaner
Advanced settings.

2. Macecraft Power Tools Lite
Automatically clean your Windows registry.
Automatically fix many kinds of registry errors, such as broken file references.
Detect and remove unneeded history data, MRU, etc.
Delete temporary and junk files.

3. Rizone’s Power Tools
4.
5. Reg Seeker
Registry Cleaner
Program Uninstaller
Tweaks
Backup Option
Startup Entries
History
Favorites
Printing Option

6. Iobit Toolbox

7. Slim Cleaner

8. Jet Clean

9. PC House Keeper
Cache Cleaner
History Cleaner
Cookie Cleaner
Registry Cleaner
File Shredder
Startup Manager
Program Uninstaller
Process Explorer
Disk Cleanup Tool
IP Port Scanner
TCP Connections Viewer
MAC Address Changer
MAC Address Scanner.

10. Combo System Cleaner

That Antivirus are fake. list below:

PC Security 2011
ThinkPoint
ThinkSmart
Antivirus 8
Security Tool
My Security Shield
Antivirus 7
Antivirus GT
Defense Center
Protection Center
Sysinternals Antivirus
Security Master AV
CleanUp Antivirus
Security Toolbar
Digital Protection
XP Smart Security 2010
Antivirus Suite
Vista Security Tool 2010
Total XP Security
Security Central
Security Antivirus
Total PC Defender 2010
Vista Antivirus Pro 2010
Your PC Protector
Vista Internet Security 2010
XP Guardian
Vista Guardian 2010
Antivirus Soft
XP Internet Security 2010
Antivir 2010
Live PC Care
Malware Defense
Internet Security 2010
Desktop Defender 2010
Antivirus Live
Personal Security
Cyber Security
Alpha Antivirus
Windows Enterprise Suite
Security Center
Control Center
Braviax
Windows Police Pro
Antivirus Pro 2010
PC Antispyware 2010
FraudTool.MalwareProtector.d
Winshield2009.com
Green AV
Windows Protection Suite
Total Security 2009
Windows System Suite
Antivirus BEST
System Security
Personal Antivirus
System Security 2009
Malware Doctor
Antivirus System Pro
WinPC Defender
Anti-Virus-1
Spyware Guard 2008
System Guard 2009
Antivirus 2009
Antivirus 2010
Antivirus Pro 2009
Antivirus 360
MS Antispyware 2009
IGuardPC or I Guard PC
Additional Guard

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