Here this post onMiniToolshares with you several proven fixes to help you troubleshoot these error codes.
How to Fix Black Ops 6 Error Code 0x1/0x0/0x5/0x7
Fix 1.
SeeHow to Add Program to Start Menu Windows 10.
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Fix 2.
In this case, you’re able to choose to disable this feature.
Here are the steps.

Hit theAdvancedbutton in the lower right corner.
In the new window, untick theCompress contents to save disk spaceoption.
Afterward, run Call of Duty Black Ops 6 and see if it runs smoothly.
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Fix 3.
In this case, you could choose to repair the Xbox or Microsoft Store.
If it fails to handle the issue, you’re able to reset them.

To repair or reset it, typeMicrosoft Storein the Windows search box.
Fix 4.
To rule out this cause, it’s crucial that you update the driver.
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So, you’re free to give it a try.
Fix 6.
It may identify tools such as reWASD as cheating software and thus prevent the game from running.
Fortunately, there are some proven ways you might utilize to resolve it.
Just try them out and test whether the error code disappears.