I can not uninstall AirDroid version 2.0 (01-28) beta.

When I go to Apps - Settings - Application Manager,
both the Force Stop and Uninstall buttons are greyed out.

If I go to Apps, then choose Uninstall from the menu,
it seems as if AirDroid is possible to uninstall..

..I even get the warning box that AirDroid will be uninstalled,
but when I click OK, nothing happens at all.

Lastly, in my Google Play account, I can not see AirDroid among the installed applications.
Instead, it is listed among those that I have uninstalled.
I don't know any other ways to try to uninstall an app.
I was thinking that I maybe should try to just install AirDroid (version 1.x I guess?)
by clicking the Install button on the AirDroid entry in the "Other apps in my library" section of Google Play
- and hope that this would revert AirDroid v2 beta back to AirDroid v1.x,
and that it would be possible to uninstall this AirDroid v1.x..?
But I thought I should try to ask you people first..
- do you know what I should do to uninstall the AirDroid v2.0 (01-28) beta?

When I go to Apps - Settings - Application Manager,
both the Force Stop and Uninstall buttons are greyed out.

If I go to Apps, then choose Uninstall from the menu,
it seems as if AirDroid is possible to uninstall..

..I even get the warning box that AirDroid will be uninstalled,
but when I click OK, nothing happens at all.

Lastly, in my Google Play account, I can not see AirDroid among the installed applications.
Instead, it is listed among those that I have uninstalled.
I don't know any other ways to try to uninstall an app.
I was thinking that I maybe should try to just install AirDroid (version 1.x I guess?)
by clicking the Install button on the AirDroid entry in the "Other apps in my library" section of Google Play
- and hope that this would revert AirDroid v2 beta back to AirDroid v1.x,
and that it would be possible to uninstall this AirDroid v1.x..?
But I thought I should try to ask you people first..
- do you know what I should do to uninstall the AirDroid v2.0 (01-28) beta?