I instal avast antivirus and restart computer and when i start compuer antivirus scaning computer and i enterd esc buton so he show aplection eror please help

Hi, I would like suggest you contact the avast support forum for further help. http://www.avast.com/support Thanks for your understanding. Regards. Spencer TechNet Community Support

Hi, I would like suggest you contact the avast support forum for further help. http://www.avast.com/support Thanks for your understanding. Regards. Spencer TechNet Community Support

I think you should try and remove Avast from your computer through the control panel. If you need a recommendation for a good antivirus that doesn't stall your computer I use Unthreat Antivirus, it's free as well!