Error 0xc0070641

Hello Darren,
We regret for the inconvenience you are facing with installing the AVG program.
If not, please follow the instructions on the article http://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG to reinstall all the traces of the AVG program and check whether it resolves the issue.
Note : Please use the AVG Remover tool mentioned on the article to uninstall the AVG program more effectively.
If you are still facing any error message please provide us with the screenshot so that we could analyze the issue more better. Please follow the instructions on the article http://avgclick.me/getscreenshot to create the screenshot.
Please feel free to get back to us for further assistance.
Thank you.

after downloading avg antivirus i now get error code 0xc0070641 when trying to down load tune up on windows vista home premium

Darren, If applicable… For your info, just in case that you are unaware, you can post the screenshot here in your topic. Click on 'Answer' & then click on the 'Image' [mountain symbol] & follow the instructions. 
AVG Guru