BitDefender is an antivirus and firewall software that protects a computer from virus and spyware infection. BitDefender also blocks phishing sites and spam, and encrypts files on the hard drive. Deleting important software files or removing BitDefender-related registry information can prevent the application from working properly. Reinstalling BitDefender can restore any missing data. Before reinstalling BitDefender, you must first uninstall the application from the system. Tips Writer Bio

How to Reinstall BitDefender - 77