Unfortunately, majority of people who use a desktop workstation, i.e. a computer, don’t understand how to correctly maintain it to extend its life-time possibilities. Ideally, you should be regularly cleaning the dust from the case, adding anti-heating compound to the CPU process and similar things.
However, the most important action, which you should be taking on monthly basis is using a windows registry cleaner to optimize Windows Vista operating system. All Microsoft computers were designed with a registry system in the software.
This is what makes all the programs to do what you ask them to do. It’s hard to explain how it actually works to a person, who doesn’t know PC programming, but you don’t have to understand it. All you need to do is simply use a reliable PC error fixer, like Reg Easy, and it will automatically do the job for you.
There are some excellent programs available on the Internet, so check them out.