Will not fully install Internet Protection

Hello Rex,
We understand how something like this can really try your patience.
Could you please let us know whether you have installed any other 3rd party antivirus product before in your pc? so that we can assist you better.
Please feel free to contact us for any further assistance. Thank you.

Just Purchased AVG Pro. Gets to 92% installed then says:
Then box comes up saying installation failed.

Error code: 0xC0070643
Description: Event exec_finished

I even uninstalled my previous Internet Protection Programme.
I installed AVG because it was a lot cheaper.
Please help

Hello Rex,
We understand how something like this can really try your patience.
Could you please let us know whether you have installed any other 3rd party antivirus product before in your pc? so that we can assist you better.
Please feel free to contact us for any further assistance. Thank you.