The program will get mess up your system files and cause problems to the extent that your computer no longer works. At this point sometimes the only way to get rid of the problem is to delete everything on your hard drive. You will loose any data that wasn't backed up.
This is a very time consuming method but quite effective. You will then have to restore your operating system and all of your software. The next thing is to then restore any files that you had backed up. This should be done by a professional with specific skills.
One way to avoid the last steps I mentioned is to make sure you have downloaded reputable spyware removal software before you get infected. In most cases the spyware removal software will detect the spyware and destroy it before it is too late.
There are many very good spyware removal software programs out there. Some of these programs are good and some even bad. Stay away from the ones that say they are free. These programs sometimes infect your pc with spyware just to get you to buy their product. I stick with the brand names like NoAdware. NoAdware is a spyware removal software and also an adware removal software.
Adware can really give you a bad day. It will sometimes get so bad with pop ups and tracking your key strokes that you can no longer navigate the web. When it gets to that point it is hard sometimes to even download a spyware removal program.
Then you find yourself in a hard situation. Remember to protect your self before you get into trouble. Play it safe and you won't have the head aces and hassles that these programs bring you. Never wait till you are infected and the damage is done. I recommend the NoAdware spyware removal software to protect your computer from spyware threats.
Please visit some of my web sites Spyware Removal Software and Remove Spyware