Cannot uninstall AVG Antivirus FREE

I tried to uninstall AVG Antivirus FREE and got the following error

Driver Installation failed
Severity: Error
Error Code: 0xC0070643
Error message: General internal error
Additional message: The removal of the product failed
@AVGMSI_Error27046
Driver Installation failed (0xC007001C)
Context: Uninstallation of AVG, MSI action failed

Anyone else seen this error or have any idea how to solve this?

Hello Mark,
We regret for the inconvenience you are facing while uninstalling the AVG Free program. We would request you to run AVG remover tool to completely remove AVG.  
Please click this link http://aa-download.avg.com/filedir/util/AVG_Remover.exe to download and run the AVG Remover tool.
1. Please select the AVG products which are shown in the remover tool window and then start removal process.
2. After the remover tool process is successfully finished, restart your computer.
3. After the restart,  manually delete the AVG Remover folder in the C drive of My computer.
Thank you.