This post tells you how to fix the error 0x80070015 .
Fix: Error 0x80070015 in #Windows Update, #Microsoft Store
Run #PowerISO, click the Mount button on the toolbar.
In the virtual drive menu that pops up, select Set number of #drives.
Select Disable. This disables all the virtual drives added by PowerISO.
Complete guide >> https://ibmimedia.com/explore/0x80070015