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I have upgraded Android Studio to 3.1.2. When starting any Android Emulator (i.e. qemu-system-i386.exe), my CPU usage reaches 100%.

Update (5/1/2018): Actually everything in Android Studio is SLOW after upgrade and I did not change anything in my project (i.e. same settings, same code, same libraries). Performance was NOT a problem before upgrade.

As per Task Manager, the issue seems to be caused by the antivirus processes (McAfee):

enter image description here

Pablo Alfonso
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1 Answers1

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The Android Emulator reads very large files. McAfee scans every file that gets opened. So, I'm not surprised by this result.

Unfortunately, the only solutions I know of are to turn off McAfee or exclude the Android\Sdk directories from the on-access scan. If you're in a corporate environment, you may not have access to do either, and so will have to beg IT Security to do it.

A. L. Flanagan
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  • Thank you. Please note that this was not a problem before upgrade. Everything is super slow after upgrade and I did not change anything in my project (i.e. same settings, same code, same libraries). – Pablo Alfonso May 01 '18 at 12:19
  • Well that's a good point. Maybe the old version was excluded from McAfee and the new one (different directory) is not? – A. L. Flanagan May 01 '18 at 15:19