Sometimes I get weird rendering result of mono file = it is not mono but some kind of dual mono file (original channel stays as a left channel, right channel is either empty or shifted in time or just noise).
The usual scenario is this: I open stereo file, convert it to mono (Copy selection to new window -> Convert to mono (Mix)), make some changes (editing, normalizing etc) and now if I try to use any plugin in Master section (incl. UV22HR dithering) I get this weird result (e.g. instead of processing the untitled mono file created from original stereo file, WL creates a new 3rd dual-mono file as a result). The only way out of this situation is to save the mono file, close WL, re-open the file and then apply the plugins.
Am I the only one experiencing this? What could be wrong?