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Introduction
 
With more and more people using the Windows operating system, a lot of Trojans, viruses and spyware also come. Most of these malicious programs may intrude into your system by security vulnerabilities of the Windows operating system, or incubate latently by disguising themselves as service programs. For the consideration of system security and stability, Windows users should constantly fix system vulnerabilities and frequently check untrusted background programs. However, such work requires highly professional expertise.

Windows Doctor provides full system security analysis and repair functions, can rapidly scan existing security vulnerabilities, untrusted Startup items, malicious BHOs, and services and programs that may harm your system security, and it then fix the troubles rapidly.

Note: You can fix up to 5 security threats at a time with the trial version. Please register this software ASAP so you can use the full function of it.
 
Security Levels
 
Windows Doctor classifies potential system security issues into 4 threatening levels.

Level

   Description

The number of red stars indicates the level of potential threat to your system security.
 
 
 
Questions and Answers You Should Know

Question

   Answer

What is a system vulnerability?

A vulnerability is a defect in the realization of hardware, software, protocols, or that exists in a system security policy, with which attackers can access or damage your system without your authorization.

What is a vulnerability patch?

Developers of an operating system (especially Windows) or other applications or games may find problems/vulnerabilities, or bugs, that can negatively affect the work of its users or cause security dangers. They then write some codes to be inserted into the original program that can fix these bugs. Such repairing codes are patches.

Vulnerability patches under what systems are supported by Windows Doctor?

Windows Doctor now only supports the vulnerability detection and patch download for Windows XP and Windows 2000.

Where do the vulnerability patches provided by Windows Doctor come from?

All vulnerability patches provided by Windows Doctor link directly to the download URLs at Microsoft's official patch download sites.

How frequently should I check and fix the vulnerabilities on my system?

We will pay continuous attention to the releases of vulnerability patches on the Windows operating system by Microsoft, and help you fix corresponding problems. We suggest that you run this program every 5-7 days to ensure the safety of your system.
   
 
System Security Scan
 
System Security Scan can scan five system-security-related aspects of your system. They are Windows security (analysis), Startup items, BHOs, services and processes.

To begin the scan, click the Scan button. During the scanning process you can pause or cancel the scan at any time by clicking the appropriate button.
 

 
 
Scanning Results
After the scan is complete, click the Next button to view security vulnerabilities on your system.
 

 
 
Fixing System Security Vulnerabilities
Click the Repair button to repair the security issues on your system.
Note: You are suggested to restart your computer after security issues are fixed.
 

 
If you select ‘Windows Security Analysis’, you may be required to connect to Microsoft official sites to download relevant security vulnerability patches. If network connection is not available, you will see the following prompt. In this event, please check your Internet connection.
 

 

 Note: You are suggested to restart the computer after the security issues are fixed.

 
Restoring Changes to System Security
To revert changes you made on system security settings, please use System Security Restore.
 
 
 
 
     
     


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