Here is a test version to see if your DC issue is resolved. Please download and install version 1.0.21 (not officially released yet):
There are some big differences in how the screen is laid out, all the distortion-related settings are now on the left, in a table. The one that controls DC is DC Removal = On or Off. To clear all settings (probably a good idea the first time you use this version) press the red X
above the table:
View attachment 209149
Please try this out and let me know if it helps.
Note: the old version you were using also removed DC, but only when saving the distorted file to disk, not when playing it directly from DISTORT.