Error(0x0643)- 0xC0070643

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trying to put the program on  PC,   error how to fix it?

I can not send you to gpg format because your program does not see it
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Igor,
We are sorry for the inconvenience caused. We request you to reinstall your AVG program as suggested here: http://avgclick.me/howtoreinstallAVG. If the issue persists, please attach the screenshot http://avgclick.me/getscreenshot
of the error message you are getting. Please, feel free to let us know if you require any further assistance. Thank you.

but I do not have virus scan.I only have to scan the application, I do not think that they interfere

Hello Igore,
It is not recommended to keep two security applications in single computer.
It may create issue with installation or conflict issue which will affect the perfomance of your application.
We request you to uninstall all the traces of AVG and other security programs before installing AVG.

Please feel free to contact us for any further assistance.
Thank you.

you tell me how to fix a mistake or not?

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Hello Igor,
Thank you for sharing the screenshot. Mostly the error occur when there is older AVG traces or any other Antivirus program like Mcafee or Malwarebytes installed in your pc. Please uninstall if you are using any other Antivirus application and follow the steps in the article ( http://support.avg.com/SupportArticleView?urlname=What-to-do-when-AVG-installation-is-failing ) to fix your issue.

Feel free to contact us for any further queries. Thank you.