Installation failed

Hello Hector,
We understand how something like this can really try your patience.
Please be informed that AVG Internet Security is available as trial and paid version. Due to our company policy we are unable to open the link you have provided. To install the trial version of AVG Internet Security please use the offline installation. Also please be informed that trial version of AVG can be installed only once in single pc. To determine whether your OS is a 32-bit or 64-bit, please click on this link. http://support.microsoft.com/en-us/kb/827218 .
For 32 bit : http://files-download.avg.com/inst/mp/AVG_Internet_Security_x86_697.exe
For 64 bit : http://files-download.avg.com/inst/mp/AVG_Internet_Security_x64_696.exe
Please feel free to contact us for any further assistance. Thank you.

I was about to install the free AVG Internet security 2016 that whose offer i found in this website ( AVG AntiVirus (100% discount) | SharewareOnSale ) and i had an installation failure, descripted as:

Error code: 0xE0010045
Description: Event exec_finished

What can I do in order to solve it and be able to get it installed?

Hello Hector,
We understand how something like this can really try your patience.
Please be informed that AVG Internet Security is available as trial and paid version. Due to our company policy we are unable to open the link you have provided. To install the trial version of AVG Internet Security please use the offline installation. Also please be informed that trial version of AVG can be installed only once in single pc. To determine whether your OS is a 32-bit or 64-bit, please click on this link. http://support.microsoft.com/en-us/kb/827218 .
For 32 bit : http://files-download.avg.com/inst/mp/AVG_Internet_Security_x86_697.exe
For 64 bit : http://files-download.avg.com/inst/mp/AVG_Internet_Security_x64_696.exe
Please feel free to contact us for any further assistance. Thank you.