Avg recent update

Hello Jens,
We apologize for the inconvenience.
This issue is caused due to the presence of the third party security software or the traces of old AVG files.
Please use this link to download and run the AVG remover tool
http://download.avg.com/filedir/util/AVG_Remover.exe
Note: Once the removal of AVG is complete, go to C Drive and delete the AVG remover folder. After which you can install AVG.
Thank you.

after update 9/4/2016 I cannot run, repair or uninstall AVG free

error codes 0x0643 and 0xc0070643

what to do?

Hello Jens,
We apologize for the inconvenience.
This issue is caused due to the presence of the third party security software or the traces of old AVG files.
Please use this link to download and run the AVG remover tool
http://download.avg.com/filedir/util/AVG_Remover.exe
Note: Once the removal of AVG is complete, go to C Drive and delete the AVG remover folder. After which you can install AVG.
Thank you.