Many infections like spyware, adware, trojans and viruses have the ability to spread within a systems environment and this results in other system files and properties undergoing harmful modifications or changes. So the bottom line is that you need a PC security application which can detect the different individual signature patterns which are located within the various files on your system. If you are not willing to pay for a quality spyware removal tool then you must face the consequences because even if you can uninstall or delete an infectious program it does not mean the problem will be eliminated completely.
Infections like spyware and viruses can modify registry keys and this once again illustrates the need to use a tool which can remove these malicious entries. The symptoms one can experience with spyware infections include loss of performance or speed, program instability, frequent internet explorer crashes, pop up advertisements, new or removed desktop shortcuts as well as changed security settings. Once this malicious software is on your system it can capture personal information and send it to others around the internet so even though it might not destroy hard disk contents it is still a dangerous threat.
After having reviewed and test a number of anti spyware tools I highly recommend Xoftspyse which continues to receive much praise on the web for its solid infection removal abilities. If you want to scan your computer with the latest version you can download it directly at the link below.