Office Networking Installation & Administration Virus/SpywareDetection and Removal System Pre-Purchase Recommendation Partnering with Cornerstone Computing for your technological... Software Issues & troubleshooting Install a New PC System Data Backup and Recovery All of our work comes with a 30-days warranty for labor. If a part provided by Cornerstone fails... to perform a fresh installation of the Operating System. This depends on the virus and how deep the infection is in your system. If you suspect that your computer has been infected, call us...