Updating free antivirus

Hello Katherine,
We regret the inconvenience caused.
Could you please send the screenshot of your error messages so that we can assist further? Please click on the following link http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot  to send the screen shot.
Thank you.

Katherine,  For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru

good day, i tried to update my free antivirus several times but i only get a failed update. error message is that the installation is corrupted. 
tried to uninstall and reinstall the program but i still get the same error message, also the shortcut icon disappeared.
hope you can help. thank you

User-added image

Hello Katherine,
We regret the inconvenience caused.
Could you please send the screenshot of your error messages so that we can assist further? Please click on the following link http://support.avg.com/SupportArticleView?urlname=How-to-create-a-screenshot  to send the screen shot.
Thank you.

Katherine,  For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru