@jdavid 

Try doing the same procedures after rebooting in safe mode with networking. This can show if there may be some software getting in the way.

Do you have another computer just to test to see if the adapter is able to be installed?

To verify, you visited our official website to download the appropriate driver? Make sure to see what hardware version your device is and choose the correct driver:

https://www.tp-link.com/us/support/download/archer-t2u/#Driver

@jdavid I booted into safe mode with network and attempted to uninstall the software from the tp-link menu item.  No change - it still hangs at 90% complete.

The software I downloaded was Archer T2U_Plus_UN_V1_190422_Win.zip, which should be for the T2U. 

I do have another machine but I'm leary to try it on that one because I don't want to take a chance of causing problems on a second machine.

Any other ideas?

Can you tell me what it's trying to do at the 90% uninstall mark?

TIA.

@jdavid 

Not quite sure, I believe it may be best to reach out to our support. If need be they can escalate your case to look into further for you.

@Tony Sorry for the delay.  I'll contact support.  Thanks.

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