I don't know if this will be helpful for folks, but i finally had success after encountering 2 kinds of issues.
Issue 1: Initially, TurboTax kept trying to open the window for logging into Schwab, but would only show a complete blank window. I noticed that if I changed my resolution while it was open or sometimes simply move the window a little, it would display the expected username and password; however the screen was not able to be used. it was completely locked up so i couldn't type into the field. I actually tried working through phone support, but they gave up and couldn't help. So, thinking maybe it had to do with the graphics of my laptop, i installed Turbotax on a second laptop and tried again. I didn't have the blank window, but I did run into the next issue:
Issue 2: After keying my Schwab credentials into the login window, the response back was that login was temporarily unavailable. I tried it repeatedly but kept getting the same error. Finally, i put in a fake user ID and password to see if i got a different error, and i did, stating that the credentials were bad. So i went back to trying my real credentials one more time, and this time immediately after the bad credentials, it actually prompted me to pick the accounts I wanted to import, and it continued on and actually imported them. I'm not sure if this was random luck or if somehow having one bad password attempt allowed it to behave differently.
Good luck! This was too hard this year.
