Windows Doctor is the perfect solution to all kinds of registry problems. Its advanced scan engine is able to scan your entire registry within a few seconds to identify every single registry error and safely repair them for you. With Windows Doctor, you’ll see immediate increases in performance and decreases in system conflicts. It will make your computer run as fluently as new and error-free.

Windows Doctor applies the most professional and effective registry cleaner to solve your registry problem. Editing registry items is a highly risky task in that improperly modifying registry items may cause severe system damages. Windows Doctor knows the right way to deal with Windows registry. With a professionally designed scan engine, it carefully screens out the system-sensitive entries and accurately identifies and removes registry errors to boost Windows performance and eliminates Windows freezes and hangs. Windows Doctor guarantees 100% safety and effectiveness.

In addition to the registry cleaner, Windows Doctor provides many other useful tools to optimize your Windows so that you don’t need to spend extra money on the expensive single-task software.
History Cleaner can clean all tracks of your activities to protect your privacy and improve PC performance;
Shortcuts cleaner identifies and removes the annoying redundant shortcuts that point to non-existent or invalid files.
Registry Defragger will defragment your registry to acquire linear registry structure, reduce application respond time and registry access time.
Start-up Manager allows you to easily inspect, delete or temporarily disable the start-up programs.
Uninstall Manager can safely remove the unwanted applications installed on your computer.
System Optimizer allows you to optimize your system settings, and as a result, boosts your system speed and improves system performance.
IE Manager can easily repair your IE problems as well as settings changed by malicious websites.
Additionally, Windows Doctor collects a list of very useful system tools to help you better manage your computer, such as Disk Cleanup, Disk Defragmenter, DirectX Diagnostic Tool, Registry Editor, etc.

Registry Cleaner - Fix PC Errors & Boost System Performance
Professionally designed scan engine will scan your entire registry within a few seconds.
A comprehensive error report after scan will list the found registry errors in 20 categories
User is allowed to easily sort the error report according to 10 different attributes
Powerful registry fixer will quickly fix all registry problems with one simple click
For advanced computer users, it provides more freedom by allowing user to select items to fix by himself.

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

History Cleaner
It scans for all traces of your activities 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 History Cleaner, your personal information will not be left behind in the computer you used.
Boost system speed and improve PC performance.

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
The Short-cuts Cleaner can quickly identify and clean-up the redundant shortcuts that point to non-existent or invalid files

Registry Defrag
Quickly analyze your registry
Powerful defragmenting algorithm that automatically backups, defragments, compact and optimizes your registry
Establish linear registry structure to reduce application respond time and registry access time

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

IE Manager
IE Manager can repair Internet Explorer default homepage and many other settings or display changed by malicious website.

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