I use Firestorm. It was working fine this morning but I went to log in this afternoon and it wouldn't load in. I tried uninstalling and reinstalling and that didn't help either.
Firestorm 6.0.2 (56680) Feb 9 2019 18:55:39 (64bit) (Firestorm-Releasex64) with Havok support
CPU: Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (3192.01 MHz)
Memory: 16337 MB
OS Version: Microsoft Windows 10 64-bit (Build 17134.706)
Graphics Card Vendor: NVIDIA Corporation
Graphics Card: GeForce GTX 1080/PCIe/SSE2
Windows Graphics Driver Version: 188.8.131.5239