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You should uninstall or deactivate your other anti-virus software before installing VIRUSfighter.
Having two active anti-virus programs could give you problems and even crash your computer.
To do this, go to: Start Menu > Control Panel > Add/Remove Programs. Choose your anti-virus software and click on Remove.
Technical terms can be tricky to understand. Look in our Glossary for definitions to some terms used on our website, and in the computer world.
Can't find your answer in the FAQ? Answer a few questions here, and one of our knowledgeable supporters will get back to you with a solution.