@Danny058 Good day, Sorry for the delay. Have you tried to update to the following driver(also suitable for TX50E)...

@chaslaw @Halian @Franz787@willns Good day. Sorry for the delay. Did you try to install the following driver:...

@Bob_Lee Good day. Thank you for your kind reply. In this way, we might need to forward your case to our senior engineers, and they would reach you by email. Please have a check of your email box....

@Jangford02 Good day. Changing channel would not mess up the connection of others. And the suggestions listed above are the most common-used trouble shooting methods. The best solution could be...

@sharonfrankklin Good day. Hi, I am not sure what kind of cleaner programs that you have mentioned and maybe you could post a picture or a video clip for me ? Your cooperation is highly appreciated....

@Domco1997 Good day. Can I have a picture of the error message? Have you tried the official driver here: https://static.tp-link.com/2018/201812/20181221/UB400_Driver.zip For more troubleshooting...