Error code: 0xC0070643

I have fololowed this through x 3 times. Last night all good, and I did full computer scan successfully. But each time I switch laptop on the next days, the same thing has happened, All the circles are red.
so what next??
Dell Laptop on Vista 32bit

Turned on vista laptop to find AVG protection u/s. Tried repair, and uninstall - recevied this error code: Error code: 0xC0070643      Help please if you can

I have fololowed this through x 3 times. Last night all good, and I did full computer scan successfully. But each time I switch laptop on the next days, the same thing has happened, All the circles are red.
so what next??
Dell Laptop on Vista 32bit

It didn't work for me, Did what you guys said too. Use AVG removal tool, restarted, and then downloaded the recommended AVG Antivirus Free. Still gives me the same error code problem. What should I do?

Hello Joshua,
We  apologize for the inconvenience caused.
We have sent you an email instruction to get connected with our technical support team. Please follow those instructions to get in touch with them and you should be able to resolve your issue.
Please feel free to get back to us for further assistance.
Thank you.

Hello Tommy,
We apologize for the difficulties you are currently experiencing.
Could you please let us know whether you ran the remover tool previously given to Margaret Jones? so that we are happy to assist you better.
Feel free to contact us for any further assistance. Thank you.

I have fololowed this through x 3 times. Last night uninstalled and reinstalled. all good, and I did full computer scan successfully. But each time I switch laptop on the next days, the same thing has happened, All the circles are red.
so what next??
Dell Laptop on Vista 32bit