I am running 4.2.1 and have two printers configured.
Profiles update fine with one printer but when the other printer is selected, any updates made to the profiles will not be saved (although Cura thinks it has saved the changes).
I also get corruption errors and every activation of the non-updateable printer seems to generate a custom profile 'empty'. It is this profile that generates the corrupt configuration errors.
Cura does give the option of resetting but it warns that this
Well, not exactly ... 😞
I deleted the empty profiles, started Cura and there was no error message about corrupt profiles (yeah)
Then I changed an existing profile for the CR10 and exited Cura (crossed fingers)
Then I opened up Cura again to find out that no, the profile had not actually updated and now I am seeing some more 'empty' profiles (crap)
Then I decided to be stupid and deleted what seemed some odd profiles (custom_extruder_2_%232_pla_on_glass.inst.cfg as well as ve