Working with gatekeeper, 3 – installation – Teac US-2X2 Reference Manual User Manual

Page 8

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TASCAM US-2x2/US-4x4

3 – Installation

5. Click the “Read License” button and check the contents

of the Software License Agreement. If you agree to the

contents of the license, click “Agree”.
Then, click the “Next” button.

6. Next, click the “Install” button to start installation.

7. The following screen appears when installation has

completed.
Click the “Close” button.

Working with Gatekeeper

When using Mac OS X, depending on the Gatekeeper security

function setting, a warning message might appear during

installation.
The solution depends on the warning message shown.
See the following explanations for details.

i

When the Gatekeeper setting is “Allow applications

downloaded from: the Mac App Store”
The following security warning might be shown: “US-2x2_

US-4x4 Installer.dmg” can't be opened because it was not

downloaded from the Mac App Store."

In this case, click the OK button to close the message. Then,

control-click (or right-click) the file and click “Open”.
Click the “Open” button if the following security warning

message appears: “US-2x2_US-4x4 Installer.dmg” can't be

opened because it was not downloaded from the Mac App

Store. Are you sure you want to open it?"

This warning message might also appear when the

Gatekeeper setting is something other than “Allow applica-

tions downloaded from: the Mac App Store”.
The security warning message “US-2x2_US-4x4 Installer.dmg”

can't be opened because it was not downloaded from the

Mac App Store." could appear again, and you might not be

able to open the file.

In this case, copy the file from the folder where it is to the

desktop or another folder, and then open it. Alternatively,

change the Gatekeeper settings to “Allow applications

downloaded from: the Mac App Store and identified devel-

opers” and try opening it again.

i

When the Gatekeeper setting is not “Allow applications

downloaded from: the Mac App Store”
‘“US-2x2_US-4x4 Installer.dmg” is an application downloaded

from the Internet. Are you sure you want to open it?” might

appear as a security warning message. In this case, click the

“Open” button.

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