If you are seeing an error message when launching AirParrot 3 for Mac OS X you can follow the simple steps below to reinstall the Extended Desktop driver on the Mac.
Step 1
Select OK in the corruption error message you receive when launching AirParrot 3
![](https://help.airsquirrels.com/hubfs/Knowledge%20Base%20Import/d33v4339jhl8k0.cloudfront.netdocsassets5ffc9ccc0a7ecb50753262d4images60a51e6c1df47a61c5ad3007file-i8BeMTUrkp-2.png)
Step 2
Open the AirParrot 3 Preferences menu by clicking the gear icon in the AirParrot 3 menu and selecting Preferences. In the General section, you will see the option to Uninstall Display Driver.
![](https://help.airsquirrels.com/hubfs/Knowledge%20Base%20Import/d33v4339jhl8k0.cloudfront.netdocsassets5ffc9ccc0a7ecb50753262d4images60a51e7f13fd125a39b45297file-EpneFgWD9a-2.png)
Step 3
Once Uninstall Display Driver is selected you will be required to enter your system password and give the Mac a restart.
![](https://help.airsquirrels.com/hubfs/Knowledge%20Base%20Import/d33v4339jhl8k0.cloudfront.netdocsassets5ffc9ccc0a7ecb50753262d4images60a51ea313fd125a39b45298file-MM9W6NGwr6-2.png)
Step 4
Once the Mac is rebooted and AirParrot 3 is launched you will receive a popup that the Extended Driver is not found and will need to be installed. Select Yes to start the driver installation process. This will require the system password and a reboot of the Mac.
![](https://help.airsquirrels.com/hubfs/Knowledge%20Base%20Import/d33v4339jhl8k0.cloudfront.netdocsassets5ffc9ccc0a7ecb50753262d4images60a51eb713fd125a39b45299file-mishZEtQWd-2.png)
Step 5
Once the Mac is rebooted and AIrParrot 3 is launched you will have full function of the Extended Desktop function in the AirParrot 3 menu.