I had the 2014 avg &Ijust tried to to switch to the 2015 avg

Hello Byron. You can find answer to your question together with your another post here  https://support.avg.com/answers?id=906b0000000D2SKAA0p;sfdc.override=1  . Please try keep whole conversation in one question/thread to speed up resolution. Thank you.

My problem is my 2015 AVG willnot install . A massage says error (0xc0070781) it says is MSI has failed so what can I do to fix this problem

Hello Byron. You can find answer to your question together with your another post here  https://support.avg.com/answers?id=906b0000000D2SKAA0p;sfdc.override=1  . Please try keep whole conversation in one question/thread to speed up resolution. Thank you.