Error Code 0xC1900200, 0x20008 (Code 0xC1900202 – 0x20008) is an error that occurs when you attempt to upgrade to Microsoft Windows 10, but the minimum requirements have not been met by your computer. You will therefore be unable to upgrade to Microsoft Windows 10 until your computer is updated or upgraded to meet those requirements.
Common symptoms include:
Error CausesError Code 0xC1900200 – 0x20008 (Code 0xC1900202 – 0x20008) occurs when you are unable to begin the Microsoft Windows 10 upgrade because your computer does not meet the minimum requirements to run Microsoft Windows 10.
Error Code 0xC1900200 – 0x20008 (Code 0xC1900202 – 0x20008) as stated, simply means your computer does not meet the requirements to update and does not indicate a permanent problem or inability to continue to use your computer. This error only means that you will not be able to upgrade to Microsoft Windows 10 until your computer is made to meet these requirements.
There are several solutions that the user can complete at home that should fix the problem resulting in a manifestation of Error Code 0xC1900200 – 0x20008 (Code 0xC1900202 – 0x20008). Below are several options that should resolve this error.
Verify what version of Microsoft Windows you are currently running, older, outdated, or no longer supported versions of Microsoft Windows are not able to upgrade to Microsoft Windows 10. If you are not running one of the following versions you will have to update before being able to upgrade.
Your computer's system specifications do not meet the requirements to be able to upgrade to and run Microsoft Windows 10. To check your system specifications do the following.
If you have the option available you can simply run the get Microsoft Windows 10 app to check compatibility. Once you have your system specs make sure they meet or exceed the following.
If your computer does not meet these minimum requirements, upgrade the components necessary to meet them. If you do not possess the technical expertise required to accomplish this yourself or do not feel comfortable doing so, download and install a powerful automated tool to get the job done.
Your computer might not meet the aforementioned requirements to make an upgrade because of insufficient hard drive space or resources. Learn how to create or make space on your computer here.
Many people hold on to and use the same computer for a very long time. It is possible that your computer cannot be upgraded to meet the requirements, or that the cost to do so would be so high that a new computer would be cheaper. If that is the case, your only option may be to replace your computer.

Error Causes
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“Windows Sandbox failed to start. Error 0x80070015. The device is not ready. Would you like to submit feedback about this issue?”If you are one of the users who encountered this kind of error in Windows Sandbox, then you’ve come to the right place as this post will help you sort this problem out. All you have to do is follow each one of the options provided below.