In this post I want to list different windows Security tools and online Security Scanners that can be used to check and fix windows.
Free Online Security Services
Below is a list of available Online Security Scanners. It is recommended to run them in Internet Explorer and under Vista IE should be run in Administrative mode.
Free Windows Live OneCare Online Services
Below is a list of free Services provided by Live OneCare. The only problem I run into is I selected to delete 2GB of Hibernation data and Hibernate option was no longer available under Vista. If you get the same problem have a look at Re-Enable Hibernate Option in Windows Vista from the How-To Geek.
- Windows Live OneCare safety scanner
- Protection Center
- Clean Up Center
- Tune Up Center
- Safety scanner for Windows Vista
Other Free Online Virus and Spyware Scanners
- Trend Micro HouseCall or Trend Micro FreeScan
- BitDefender Online Scanner
- Kaspersky Online Scanner
- F-Secure Online Services
- ESET Online Antivirus Scanner
Free Online Virus and Malware Scanners
Free Desktop Security Tools
 | CClearner - (Freeware) system optimisation and privacy tool. |
 | Windows Defender - Spyware Protection for Free. |
 | Avast! 4 Home Edition - is a full-featured Antivirus and Anti-Spyware package. Requires Free Registration. |
 | Malwarebytes - an easy-to-use, simple, and effective anti-malware application. |
 | KeePass Password Safe - the free, open-source, light-weight and easy-to-use password manager. |
| Sandboxie - creates virtual space to run program in. |
| nCleaner - contains an advanced system and application cleaner with over 90 cleaning items available |
 | HijackThis – TrendMicro™ HijackThis™ is a free utility which quickly scans your Windows computer to find settings that may have been changed by spyware, malware or other unwanted programs. HijackThis™ creates a report, or log file, with the results of the scan. |
| Secunia (PSI) - Personal Software Inspector. |
| Secunia (PSI) - Personal Software Inspector. |
| Password Meter - Checking the strength of the passwords. |
| TrueCrypt - Free open-source disk encryption software for Windows Vista/XP, Mac OS X, and Linux. |
Anti-Rootkits
| GMer - is an application that detects and removes rootkits. |
| Trend Micro RootkitBuster - is a rootkit scanner that scans hidden files, registry entries, processes, drivers, and Master Boot Record (MBR) rootkits. |
Additional Resources
Norton Safe Web, from Symantec
Comparatives of Anti virus Software
