AVG Update Disabled Logon Passwrd

Hello Harvey,
Let's work together to fix it. Are you able to log in using your credentials in safe mode: http://support.avg.com/SupportArticleView?urlname=How-to-reboot-your-computer-into-Safe-Mode ?

Hello Harvey,
Let's work together to fix it. Are you able to log in using your credentials in safe mode: http://support.avg.com/SupportArticleView?urlname=How-to-reboot-your-computer-into-Safe-Mode ?

After opening AVG it advised that update was needed. I followed instructions, rebooted. Now my logon password won’t work. I cannot logon. The password must have been corrupted or wiped out. 

Please advise.