When I go to uninstall the avg pc tuneup it wont uninstall, sits @ 1%

I want to uninstall the avg pc tuneup as I don't want it as it is in trial and don't want to pay for it. Annd I want my AVG antivirus Free to work right. It keeps popping up the thing that compute is not right. All the time ! Can I uninstall the AVG Free antivirus and still add it again? I need help please! The pc tuneup is not working right, cant uninstall it . thanks in advance.

Hello, Sherry.
Thank you for reaching us here. You can reinstall AVG Anti Virus free after uninstalling it. We'd request you to run AVG Clear and Remover tools to uninstall AVG Anti Virus and PC TuneUp programs from your PC.
Click on this link for steps to download and run AVG Clear and Remover tools.
Then refer to steps in this link on how to download and install AVG Anti Virus free.

Hello, Sherry.
Thank you for reaching us here. You can reinstall AVG Anti Virus free after uninstalling it. We'd request you to run AVG Clear and Remover tools to uninstall AVG Anti Virus and PC TuneUp programs from your PC.
Click on this link for steps to download and run AVG Clear and Remover tools.
Then refer to steps in this link on how to download and install AVG Anti Virus free.