Error 0xc0070643

Hello Pinuccia,
We understand how something like this can really try your patience.
Could you please let us know the name of the AVG product you are trying to install in your pc? so that we are happy to assist you better.
Please feel free to contact us for any further assistance. Thank you.

AVG can't identify license number.
I try to disinstall the program and to ripristine but it is impossible.It shows the error 0xc0070643.
Can you help me?
Thank you

Hello Pinuccia,
We understand how something like this can really try your patience.
Could you please let us know the name of the AVG product you are trying to install in your pc? so that we are happy to assist you better.
Please feel free to contact us for any further assistance. Thank you.