Error code 0XC0070643

Hello Marielou,
We apologize for the inconvenience caused.
May I know the name of the AVG Program in which you are experiencing this issue?
Are you using free or paid version of AVG program?
Thank you.

Hello,

for weeks I have been trying to update AVG and get the newest protection, but every time I get the above error code. I see that there are more people having the same issue. Please could ou help me with this ? thx a lot,

greetings, Marielou

Hello Gulam,

well I guess I use the free version, but still I bought the AVG PC tune up on dec 15 2015, but this still says I have to download it…I don t know if this has anything to do with the issue…thx for your help !
greetings
Marielou

Marielou,
We apologize for the inconvenience caused.
We understand how something like this will try your patience.
We would request you to run AVG remover tool to completely remove AVG and then re install it.  
Please  click this link http://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.
To reinstall AVG Antivirus free please follow the article http://avgclick.me/InstallFree .
To reinstall AVG PC tune up please follow the article http://avgclick.me/installAVGPCTuneUp .
Please feel free to get back to us for further assistance.
Thank you.

Hello Marielou,
We apologize for the inconvenience caused.
May I know the name of the AVG Program in which you are experiencing this issue?
Are you using free or paid version of AVG program?
Thank you.