Why emulator is very slow in Android Studio?

Question

I just setup Android Studio on my PC, which is new launch to develop Android application.

My problem is that, when I try to run my small app in emulator, it take to

Answer 1

In my case, the problem was coming from the execution of WinSAT.exe (located in System32 folder). I disabled it and issue solved.

To turn it off:

1. Start > Task Scheduler (taskschd.msc)
2. Find Task Scheduler (Local)
3. Task Scheduler Library
4. Microsoft > Windows > Maintenance
5. Right click WinSAT
6. Select disable.

The Reference

Also, suppress it from Task Manager or simply reboot your machine.

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Point: In this situation (when the problem comes from WinSAT) emulator works (with poor performance) when you use Software - GLES 2.0 and works with very very poor performance when you use Hardware - GLES 2.0.