Hello Charles,
We will check and help you. How do you confirm that runtime file is missing from the computer?
Do you get any error message? If yes, please share the screenshot (https://support.avg.com/SupportArticleView?urlname=AVG-Create-screenshot) of it.
You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions. Thanks in advance.
api-ms-win-crt-runtime-|1-1-0.dll … is missing from my computer after AVG update. … What are we going to do about this?
Charles, we are unsure what is the exact reason behind this.
Let us get more details about the AVG program and assist further.
Are you using AVG Antivirus free or paid AVG Internet Security program?
May I know on which operating system you are using AVG?
Please perform repair of AVG Antivirus free/AVG Internet Security as mentioned in this article (https://support.avg.com/SupportArticleView?urlname=Repair-AVG-Antivirus) and check the status with update.