No. 1 Registry optimizer on Download.com
WinASO Registry Optimizer is the No. 1 registry optimizer rated by CNET editor. It has won 5-star Editor's rating on Download.com in 5 consecutive years.

Fast and Professional
WinASO Registry Optimizer is a mature and professional product that has been through more than 5 years constant improvement. Its advanced scanning algorithm can scan the entire registry within a few seconds for obsolete and invalid entries, as well as other registry errors, all listed comprehensively in the scanning report. You can select the items to fix or let WinASO Registry Optimizer automatically fix them all for you.

Multi-functional
In addition to the registry optimizing function, WinASO Registry Optimizer also has a number of built-in tools such as "Privacy Cleaner", "System Optimizer", "Registry Defrag", "Start-up Manager", "IE Manager", "Uninstall Manager", and more, so that you do NOT need to pay extra money to buy such software.

100% safe
Over these years, WinASO Registry Optimizer has been proved by users all over the world to be 100% safe. It never lets you down!

Extremely simple to use
Even a computer novice can immediately learn how to use it once opening the software window.

100% money back guarantee
Your satisfaction is absolutely guaranteed.


FEATURES

Registry Cleaner

Advanced scanning algorithm that scans the entire registry in seconds
Comprehensive error report listing registry errors in 20 categories
Allows user to sort the error report according to 10 different attributes
Powerful registry fixer that quickly fixes all registry problems with just a simple click
Provides more freedom by allowing user to select items to fix

WinASO Registry Optimizer will fix all the registry errors that cause system instability, PC errors, crashes, system slowdown, including but not limited to:

Invalid User software settings
Invalid system software settings
Invalid browser helper objects
Invalid custom control settings
Errors in uninstall sections
Shared DLL errors
Sound and AppEvents errors
Startup popup window
Invalid System settings
Invalid help and resources
Empty registry keys
Invalid class keys
Invalid fonts
Invalid start-up programs
ActiveX errors
Obsolete history lists
Invalid file paths
Invalid file extensions
Invalid software locations
Windows services error
Invalid virtual devices
Invalid device drivers

Privacy Cleaner

Scan history records and traces generated by Windows, IE, Firefox, Flash Player, Media Player, and more other applications
One-click to clean up all the Windows or internet temporary files, cookies, cache, URL, account and password etc.
Protect your privacy. With Privacy Cleaner, your personal information will not be left behind in the computer you used
Boost system speed and improve PC performance

System Optimizer

The built-in System Optimizer allows you to optimize your system settings, and as a result, boosts your system speed and improves system performance.

The System Optimizer will optimize the following settings to speed up your system:

Automatically end hung applications
Enable UDMA66 support
Optimize Internet connection
Force Windows to Unload DLLs from Memory
Speed up Windows refresh
Speed up browsing remote computers
Speed up loading internet explorer pages
Speed up the menu show delay
Boost up the Windows prefetcher service

Short-cuts Cleaner

Quickly identify and clean up redundant shortcuts that point to non-existent or invalid files

Registry Defrag

Quickly analyze your registry
Automatically backup, defragment, compact and optimize your registry with a powerful defragmenting algorithm

Startup Manager

Instantly detect and list all the programs that run at system startup
Allow you to easily edit, disable, enable or delete the startup programs

Uninstall Manager

Clearly list all the installed programs on your computer
Allow you to quickly remove any unwanted programs to free-up disk space and improve system efficiency

Data Recovery

Recovers data on FAT12/ FAT16/FAT32/NTFS/NTFS5 partitions in Windows operating systems.

IE Manager

Easily repair your IE problems as well as settings changed by the malicious websites

System tools

A number of useful system tools are listed together for your convenience to help you better manage your computer, such as Disk Cleanup, Disk Defragmenter, DirectX Diagnostic Tool, Registry Editor, etc.

System information

Quickly analyze your system and provide a detailed comprehensive report of your current system information

User-friendly UI

UI is user-friendly. Even novice finds it easy to navigate!

WinASO Registry Optimizer v4.7.5 - Oct 13, 2011
New Feature - newly add free tools such as Auto Shutdown, Performance Monitor. Registry Cleaner and System Optimizer functions are improved as well.

WinASO Registry Optimizer v4.7.6