Other answer: Christina: Step 1: Download Free Antivirus / Internet Security Suite like Comodo Step 2: Install Security software on your Computer / Laptop Step 3: Once the Installation is Finished, restart your PC. Step 5: After Installation, Run Quick scan. Step 6: If threats are found upon completion of scanning, you will be prompted ..

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Other answer: doctor: Install antivirus like 360 Total Security or install a fresh copy of Operating System Kellt: recommend you the UPCleaner which is a professional PC optimizer, you can use it scanning your computer and delete all the virus, antimalware and software of none use, so that your computer can get a faster speed ..

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