Master Class can be affected by system settings and other software and hardware installed on your computer. For best possible performance, it is recommended that you do the following:



Optimize Energy Saver

This optimization will free up system resources as well as prevent the computer from going to sleep or standby mode which can cause audio dropouts software and hardware.

Click the 'Energy Saver' preference•Set the slider for 'Put the computer to sleep...' to 'Never'
Uncheck the box for 'Put the hard disk(s) to sleep when possible'.




Turn off Wi-Fi (formerly called AirPort)

If your computer is equipped with Bluetooth wireless and/or a Wi-Fi (AirPort) card, these may need to be disabled to work correctly - freeing up system resources

Click the 'Network' preference.
On the left hand sidebar, click on Wi-Fi.
Click on the button that says Turn Wi-Fi Off.


Turn off Bluetooth

Click on the 'Bluetooth' preference.' some other changes to mke jdhdytnd dudysd
Uncheck the box for 'On'.


Disable FileVault protection

This optimization will allow your hard drive to work more efficiently

Click the 'Security & Privacy' preference.
Click on the 'FileVault' tab.
In this window find where is states: 'FileVault protection is (on/off) for the hard disk...'.
If FileVault is on, click the button to 'Turn Off FileVault'.

Update Wibu Key Driver

This can help resolve problems launching Master Class including software authorization issues (especially after an operation system update). Visit the WIBU website. Download and install the latest "CodeMeter User Runtime for OS X" from the "Support & Downloads" section.


Disable Sudden Motion Sensor (For laptops only, and not available on all models)

If you're recording in a loud environment, this optimization will prevent the Sudden Motion Sensor from kicking in and throwing a -9073 error in Pro Tools.

Go to the Applications folder.
Go to the Utilities folder.
Double-click on Terminal.
Type sudo pmset -a sms 0 and press Return. (Typing in '0' disables it.)
Enter your administrator when prompted.
Type sudo pmset -g to verify that this has been applied.

To re-enable Sudden Motion Sensor:

Go back to Terminal following the above steps.
Type sudo pmset -a sms 1 and press Return. (Typing in '1' re-enables it.)
Enter your administrator when prompted.
Type sudo pmset -g to verify that this has been applied.


Disable Automatic Graphics Switching (For laptops only, and not available on all models)

This will prevent the operating system from switching between graphics processors to save energy, which can cause errors during playback or recording.

Open System Preferences.
Go to Energy Saver.
Un-check automatic graphics switching.


Repair Disk Permissions


Go to the Applications folder.
Go to the Utilities folder.
Double-click on Disk Utility.
Select the boot volume. (This would be called 'Macintosh HD' unless you have renamed it to something else)
Go to the 'First Aid' tab and select "Repair Disk Permissions".