Error A0 usually indicates problems connecting with Texas Instruments' activation server. If you encounter one of these errors, try the following:

Method 1: Verify your operating system meets the minimum system requirements...

Method 2: Make sure that your computer is connected to the internet.

Method 3: Verify the date and time are set correctly.

Method 4: Verify you are logged in to an Administrator account on the computer.

Method 6: Other programs can sometimes also hinder a program's ability to communicate over the internet. Try closing all other applications on your computer and try again.

Method 7: Reboot your computer and attempt your activation again.

Method 8: Uninstall the Texas Instruments software then download the latest version of the software using the URL below and reinstall the software:

Click here to be directed to the TI Downloads page.

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