Failed to Reinstall AVG Antivirus Free

Hello Immanuel,
We regret for the inconvenience caused. Please check whether you have installed any other conflicting applications like McAfee, Avast, Norton etc… on your PC, If so please uninstall the conflicting applications.
If not, please  click this link http://aa-download.avg.com/filedir/util/AVG_Remover.exe to download and run the AVG Remover tool to remove all the traces of the AVG.
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.

first i install avg but i remove it using avg remover tool because i want to remove avg zen . now when i tried to install avg antivirus free version. an error has occuring.

(Update cannot proceed due to source/target version mismatch)
error code 0xE001F94E

hope someone can help me thanks

Immanuel, 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
4. Once uninstalled download the installation file using the link : http://www.avg.com/download to reinstall your AVG program.
5. Run the downloaded file to start the installation process.
6. Follow the instructions on your screen.  
7. Complete the installation and restart your computer.
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.
Hello Immanuel,
We regret for the inconvenience caused. Please check whether you have installed any other conflicting applications like McAfee, Avast, Norton etc.. on your PC, If so please uninstall the conflicting applications.
If not, please  click this link http://aa-download.avg.com/filedir/util/AVG_Remover.exe to download and run the AVG Remover tool to remove all the traces of the AVG.
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.