Third-party antivirus is creating a conflict that is preventing the update from installing.
The following list will not cover all reasons but it will include the most common ones.
The error 0x80070490 may be caused by various reasons. In general, when updating the operating system, you may encounter various errors, such as 0x80070002, 80070103 and so on. When you are trying to update Windows operating system or purchase a program from Windows Store, you may encounter the error code 0x80070490. In addition, you can visit MiniTool to find more Windows solutions and tips. When do you encounter the error code 0x80070490? How to fix the Windows update error 0x80070490? This post from MiniTool will show you how to fix the error 0x80070490.