I really need help for my outllook which is installed on windows 7 operating system. I use outlook to access my gmail mails. Everything was working fine until i installed an antivirus add in, that was my biggest mistake i did. Now outlook does not open. When i click to open it gives an error and i am not able to access my mails which are in outlook. I have some important mails and contacts saved there. I really need help. Plz help.