If you try to install updates through Windows Update, download or install updates to apps via the Microsoft Store app, or conduct a scan with Defender, an error 0x80070015 could occur.
This post will help you to resolve the issue that is 0x80070015.
This error message 0x80070015 signifies the device isn't in a state of readiness. They suggest that Windows Update, Store or Defender attempted to access an unreachable drive.
Accessible. Running the Windows Update Troubleshooter and resetting or installing Microsoft Store or running the Store troubleshooter could not solve the issue.
Fix: Error 0x80070015 in Windows Update, Microsoft Store
Third-party tools for emulating drives like PowerISO can generate a variety of virtual disks. It is possible that the update process they are using through Windows Update or Microsoft Store attempts to connect to these drives but receives an error code 0x80070015.
To stop the issue, fix your drive's number to zero in PowerISO or another application you use.
Run PowerISO and then click on the mount button in the toolbar.
The virtual drive's menu appears. Select the desired number of enterprises.
Click to disable. They will disable all the virtual drives created by PowerISO.
Check if you can use Windows Update or Microsoft Store today. If that doesn't work, remove PowerISO and restart Windows to resolve the issue.