I hae purchased acer laptop recently. with windows 7 as operating system. pl advise whether any free anti virus soft ware of any co. can be used for the laptop

The Windows registry is a database that stores settings and options for Microsoft Windows operating systems. It contains information and settings for hardware, operating system software, most non-operating system software, and per-user settings. The registry also provides a window into the operation of the kernel, exposing runtime information such as performance counters and currently active hardware. Registry is so important that Microsoft suggest users not to edit it, or it will affect some functions of the system even cause system crash.


The most common registry error is DLL errors. If users frequently install and uninstall software, it can also leave some wrong uninstall entries in the registry. Some anti-virus or anti-spyware will false report and destroy DLL file of some soft ware. Without DLL file, the program will pop up some strange message and can’t run. Also, Control Panel can’t remove DLL files of soft ware. If these DLL files stay in registry, this will cause system errors. Day by day, registry is full of junk files and the computer will run slowly and...

Complete download and guide continues on http://digitalpowering.blogspot.com/2010/04/how-to-fix-registry-errors-and-optimize.html