Installed an anti-virus Avast, firewall (Dragon) PC cannot connect on.

[Thiago Pereira2]

Hello, good day, My PC cannot connect on the internet, after I installed an anti-virus Avast, firewall (Dragon). Also I can't delete them. I live in Brazil. I am using Windows 7. Sincerely,

 

[richc46]

Just go back to prior to the installation with System Restore.

 

[Thiago Pereira2]

In this case it is in F8 during the startup of the System and boot into safe mode and restore the system?

 

[richc46]

Very easy
http://www.sevenforums.com/tutorials/700-system-restore.html
You will have a choice of dates. Choose the date that was prior to the installation. Your stuff should not be touched.