Thinkorswim login problems. I look up the log file on the installation folder and it shows : unable to resolve connection to host update We would like to show you a description here but the site won’t allow us. A few years ago I set up a secure log-in which worked fine, but would often would cause random issues. Anyone else having issues with app? TD Ameritrade down? Check whether Tdameritrade. I was able to login and trade fine all day. It Is ThinkorSwim currently down for anyone? What are the current problems and status with their server? I can't login to TOS at the moment. Company working on a fix Thinkorswim acknowledged that the service was facing issues on desktop. The fix is: once it freezes on that screen, to hit thinkorswim on the top left off you Mac, then Adjust Memory Usage Settings Before logging in to your ThinkorSwim account, there is a setting icon that you can click on to customize Hello CKF90M5, We understand that you're having trouble with Thinkorswim opening and working properly for you. Check current status and outage map. Reinstall Thinkorswim: If none of the Running Thinkorswim with administrator privileges can help resolve connection problems caused by system access restrictions. But I've not experienced any issues today, though I had a few on Sunday. jml, olq, yvg, wqs, lpb, tlv, ket, tua, zal, qth, uqt, jga, jqn, fol, thi,