Kingsoft PC Doctor

Kingsoft PC Doctor, which focuses on providing computer users excellent privacy cleaner, registry cleaner and, brilliant Windows optimization service, is your best free professional and easy-to-use Windows Diagnosis and Optimization software. Meanwhile, Computer Health Diagnosis provides you a quick and deepin computer working status diagnosis and, gives you professional suggestion to optimize computer to peak performance.


OneKey PC Diagnosis
. PC performance is directly presented in marks.
. It automatically analyzes issues slowing down computer.
. One key to Fix All errors.

Amazing Startup Booster
. You can boost up computer startup from minutes to seconds.
. Monitoring autostart processes makes PC startup under control.
. Super easy to use, one key proceed.

Best Free Windows Cleaner
. Cleaning privacy traces can protect your privacy security.
. Removing unnecessary files will free up your hard disk.
. Blue screen caused by registry errors can be fixed.

Extra: Excellent Utilities Included
. Friendly Startup Assistant pops up with funny cartoons.
. System Booster releases occupied RAM to speed up performance.
. Traffic Monitor can monitor and limit Internet traffic flow.

System Requirements:

CPU: PIII 500 MHz or higher;
RAM: 128 MB or above


Microsoft Windows 7, Windows Vista (32-bit, 64-bit), Windows XP (32-bit)

User's rating:

  • Currently 2.17/5
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Look at the free or trial alternatives and similar apps to Kingsoft PC Doctor software by the tags. It's possible also to find substitutes for the most popular titles in the Antivirus & Security category.

| Windows Optimization | Speed Up Computer | Registry Repair | Kingsoft Pc Doctor | Free Windows Cleaner | Free Registry Cleaner |

History updates (Complete changelogs since the listing on this site) [04-12-12]

Major Bug Fixes.

Other versions : 3.7.0 3.6.0 3.5.0 Lite Lite 3.4.0 3.3.0 3.2.0 3.1.1 3.0.1 2.8.1 2.7

v3.7.0.29 [04-06-12]

1.Fix bug of delaying invalid startup entries. 2.Add startup log "ksafetray.exe.log" under root folder of Kingsoft PC Doctor, to track the slow startup.

v3.7.0 [03-24-12]

1. New algorithm updated for Startup Booster and Onekey Optimizer. 2.Disabling and delaying items are separated on Onekey Optimizer for better view. 3.Junk Cleaner covers more cleaning points. 4. More cleaning options on Junk Cleaner are defined as "Recommended".

v3.6.0 [03-07-12]

1. Add comparison with previous startup. 2. Improvement on Quick Care. 3. Fix bug on removing windows system privacy files. 4. New facebook entry under My Startup, our engineers will provide manual assistance for your slow computer. 5. Startup Booster and Junk Cleaner support more apps.

v3.5.0 [02-21-12]

1, New interface for Privacy Cleaner; 2, Junk Cleaner supports 16 extra third-party apps; 3, Open Junk Cleaner data to all users for customization; 4, Fix bugs on Uninstaller; 5, Fix bug on computing history records; 6, Multi-language project is completed; recruiting volunteers for localization.

vLite [02-14-12]

1, Fixed bug of "Fix All", when after fix all complete, Quick Care cannot detect junk files again. 2, Fixed bugs of Junk Cleaner, unselected junk files will be cleaned.

vLite 3.4.0 [02-08-12]

1, Only Tuneup features are included; 2, PC health diagnosis for tuneup issues only; 3, System optimizer is renamed to onekey optimizer; 4, Improve algorithms to make startup time more accurate; 5, GUI changed for lite version; 6, Fix detected Bugs.

v3.3.0 [12-30-11]

1, Improved Software Uninstaller for Windows 64 bit OS; 2, Simplified installation package size for quick download; 3, Enhanced My Startup service for better performance; 4, Change Christmas Special Skin to default; 5, Open Multi-Language Framework; 6, Fix Bugs in GUI.

v3.2.0 [12-19-11]

1, A special skin for Christmas; 2, Newly added Uninstaller (include Standard Uninstall and Forced Uninstall) under Cleaner; 3, Newly added Quick Scan on Context Menu; 4, Remove OS Thinner from Cleaner; 5, Add IE Homepage Defense.

v3.1.1 [11-25-11]

1. Newly added feature – My Startup, under the Optimizer tab. 2. The Traffic Monitor and System Booster are custom install now. 3. New GUI for Startup Booster. 4. New GUI for suspended window.5. Installation package is smaller than before.

v3.0.1 [10-27-11]

Major Update

v2.8.1 [09-13-11]

Major Update

v2.7.1.88 [08-23-11]

Minor Update

v2.7 [07-27-11]


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Predicted future versions and notices:

The constantly monitors the update of all programs, including information from the Kingsoft PC Doctor changelog file, however sometimes it can happen that data are not complete or are outdated.We assume that author continue's to develop version with further advanced features, and soon you will be informed. Equally important upgrades of the program we will continue to monitor. Full Kingsoft PC Doctor description has been compared with the overall software database and our algorithm has found the following applications (are showed below).