How to fix OS X temporarily unavailable & boot from bootable USB drive MacBook
How to search for currently unavailable items
android - In App Billing Item Unavailable User is not eligible to purches this item - Stack Overflow
The item you selected is unavailable. It may have been moved, renamed - Microsoft Community
Shows item unavailable or removed on app. - The Community
What's up with unavailable items? : r/ThredUp
Fix: This Item Is Temporarily Unavailable on Mac - The Mac Observer
ALL shortcuts on taskbar say The item you selected is unavailable. It - Microsoft Community
Unknown Accessory Detected but unable to … - Apple Community