Protector Plus is a free and useful application for Windows that checks your system for Windows vulnerabilities. Windows operating system have vulnerabilities and these can be exploited by malicious programs, hackers to steal or harm your critical data. The only solution is to update your system by using Windows updates. But you don’t get a good description of what the vulnerability is in windows update so you won’t have much of an idea what you are installing.Protector Plus making this processes easier. It scans your PC for Windows Vulnerabilities and lists the vulnerabilities detected, their risk level and the download location of the patch. It guides you to update with the right patch to make your system secure.
This is a small application from Porland Software and is available for free download. Supporting operating systems are Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows Vista Business, Windows XP (Home & Pro), Windows 2000 Server & Professional and Windows 2003. No installation is required, just download and run the application. (source)
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Relate articles on vulnerabilities:
Secunia SPI – Protect your computer from software vulnerabilities
F-Secure Health Check – Scan computer in search of software vulnerabilities
AOL Active security monitor – keeping system health