Watch dog initialition black screen

When my computer reboots, it does a watch dog initialion and when it is finished, it stays black with the watch dog text on it and will not bring the computer back up. Help!  I need my computer !

Hello Sherry,
We regret for the inconvenience caused. We would request you to restart your system in safe mode and try to reinstall AVG with latest version.
The following article explains how to boot your system in safe mode: http://support.avg.com/SupportArticleView?urlname=How-to-reboot-your-computer-into-Safe-Mode .
Once you have went into safe mode, We would request you  to remove previously installed program traces of (AVG 2015 or AVG 2014)from your system using AVG Remover tool and then try to reinstall AVG Internet Security.
Note: If you have installed any other conflicting programs like AVAST, NORTON, McAfee or KASPERSKY  try to uninstall it.
Once you have uninstalled from your system,try to follow the steps which mentioned below.
Remover and Download:
1) To download AVG remover tool, please click on this link:  http://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG
2) Run the downloaded file and follow the onscreen instructions.