Failed avg free

after having avg free for a few years it now tells me its not switched on,after trying to switch it on with no result I tried to download again twice first fail code was Oxe 001f632 then Oxc007643 whats going on ?

Hello Alan,
I apologize for the inconvenience you experienced in this case. I will help you in this case.
I request you to please uninstall AVG Free using AVG Remover tool and reinstall it.
To uninstall please refer there article http://avgread.me/1DEtNP0 and to reinstall please refer the article http://avgread.me/1cvJ6DX  .
Please feel free to get back to us for further assistance.
Thank you.