AVG Internet Security: x0643

Tried to download again but this fault occurs afterwards. No Protection at the moment.

Hello Ditta,
We understand how something like this can really try your patience.
Could you please let us know whether you have installed any other AVG product or any other 3rd party antivirus product in your pc before? or this is your first time of installing AVG? so that we can assist you better.
Feel free to contact us for any further assistance. Thank you.