Renew AVG Licence without unistall it

I need to renew my AVG licence without uninstall it but is not work and there is no way to do thath.
Recentlym i a received a email for renewal but when i try to renewm i receive always the same error (

Server Error

Error:

We are currently unable to perform the selected action. Please accept our apologies for this inconvenience. We have been notified and are already working to correct this issue as quickly as possible. Please click your browser's back button and try this action at a later time, or take a different action.

Error Number:  SIT_000014

)
and there is no possibiliy to do that.

Others posts for the same issues doesn't gives me more help.
I've write a email to support team, but without success.


I try all proposed solution but without success. After thatm i try to purchase licence directly to Avast website, but i have this same error like renewall my AVG Licence :

Server Error :

Error:
We are currently unable to perform the selected action. Please accept our apologies for this inconvenience. We have been notified and are already working to correct this issue as quickly as possible. Please click your browser's back button and try this action at a later time, or take a different action.
Error Number:  SIT_000014


when i try to by antivirus License.

My target antivirus is Avast Business Antivirus Pro. I need help for to resolve this issues.

I am in DRC and there is no AVG or Avast dealer available in my contry.

Hi Josue,

We will certainly look into this and help you.
Please use alternate browser to renew/purchase the subscription.
If the issue persists, let us know the AVG program you are trying to renew to assist further.

I try all proposed solution but without success. After thatm i try to purchase licence directly to Avast website, but i have this same error like renewall my AVG Licence :

Server Error :

Error:
We are currently unable to perform the selected action. Please accept our apologies for this inconvenience. We have been notified and are already working to correct this issue as quickly as possible. Please click your browser's back button and try this action at a later time, or take a different action.
Error Number:  SIT_000014


when i try to by antivirus License.

My target antivirus is Avast Business Antivirus Pro. I need help for to resolve this issues.

I am in DRC and there is no AVG or Avast dealer available in my contry.

Thank you for trying, Josue.

You can reach our AVG sales team via live chat support or call support to renew your AVG subscription.

https://support.avg.com/support_sales?l=en

Hi Josue,

We will certainly look into this and help you.
Please use alternate browser to renew/purchase the subscription.
If the issue persists, let us know the AVG program you are trying to renew to assist further.

I've try to use three web browse (Internet explorer, Mozilla firefox and Google Chrome) but i have thes same error message.