You open the app.
You switch to another account.
The screen closes.
You tap the icon again.
Nothing happens.
The app worked moments ago.
Now it won’t open at all.
This usually starts right after an account switch.
Not hours later.
Not after a reboot.
Immediately.
In this situation, the app isn’t crashing in the usual way.
There’s no error message.
No loading screen.
No warning.
The problem is the account session.
Some apps don’t fully reset their internal state when you switch accounts.
Old login data remains active in memory.
New account data begins to load—but never finishes.
The app ends up stuck between two identities.
When you try to open it again, the app doesn’t know which account to continue with.
Instead of choosing, it blocks the launch entirely.
This is common in apps that sync profiles, preferences, or cloud data across accounts.
The more data the app ties to an account, the more likely this happens.
From the outside, it looks like the app is dead.
In reality, it’s paused in an unfinished account transition.
Until that session is fully cleared, the app simply refuses to open.