You need to verify if the downloaded package's integrity is correct. Try to download latest version of this antivirus straight from its official website then perform the installation. If you're using Windows Vista or Windows 7, launch the installer with Admin rights (right click the file > Run as Administrator).
Cannot start scan. Scan engine returned error 0x20000003. How to fix?
Answer by
Stephen Prastman
This is an error related to version upgrade. According to the information presented by Symantec, you need to update to the latest version of Antivirus and then the error should disappear.
go to start, control pannel,add remove,look for symantec antivirus,click remove,this will remove from your pc. how to manually remove programs from the add or remove programs too. (you should see) start ,run,open reged32 ok.
Try uninstalling the application and then installing it again. This should fix it.
You need to verify if the downloaded package's integrity is correct. Try to download latest version of this antivirus straight from its official website then perform the installation. If you're using Windows Vista or Windows 7, launch the installer with Admin rights (right click the file > Run as Administrator).
How do I turn off my Symantec Antivirus in my computer?
Right click the icon on the system tray, then deselect Auto Protect and the antivirus module will be disabled.
Cannot start scan. Scan engine returned error 0x20000003. How to fix?
This is an error related to version upgrade. According to the information presented by Symantec, you need to update to the latest version of Antivirus and then the error should disappear.
How can I uninstall Symantec AntiVirus?
go to start, control pannel,add remove,look for symantec antivirus,click remove,this will remove from your pc.
how to manually remove programs from the add or remove programs too.
(you should see) start ,run,open reged32 ok.
follow this an you will be able to remove it.