Model- 3900X Roku Express
Serial no.- YG00D424743
Device ID- C33850424743
Software version- 10.0.0 build 4200-51
Affected channels are NBC,USA & SyFy...all are Version 7.18. build 2 (all updated on 5/25/21)....Like I said it's all the apps developed by NBCUniversal,others have the same problem with Bravo,E,etc..(all NBCU apps)
Did everything suggested & still not loading.