How do I fix the Android system tool?

[AC Question]

how to fix android system tool?

I'd forced stop an app and something pop out saying the system has stopped, how to fix it?

 

[B. Diddy]

Re: how to fix android system tool?

Welcome to Android Central! Which phone? Which app did you force stop? What's the exact error message you saw? There's no "Android system tool"--you were probably seeing an error saying the system UI stopped.