I CAN'T INSTALL AVAST!!! CAN YOU HELP ME PLEASE??

HELLO!..
I DOWNLOAD AVAST AND WHEN I WANT TO ISTALL IT APEARS A MESSAGE SAYING THERE’S AN ERROR: “ERROR 0X00000433”… Y TRIED TO INSTALL AVAST SO MANY TIMES AND ALWAYS IS THE SAME MESSAGE.
IS SOMEONE THERE WHO KNOWS WHAT TO DO IN THAT CASE?.. I SENT AN E-MAIL (TICKET) TO AVAST AND HAVE NO ANSWER…
PLEASE, IF YOU CAN HELP…

Hello,

What is your operating system? Do you have administrative rights?

If possible, please post a screenshot of the error.

Thanks,
~!Donovan