I too have the exact issue with my Dell D620 32 bit. New install of 18.04 Mate. Software Boutique works before the first update. Have have tried the suggestions listed, still have the problem.
I too have the exact issue with my Dell D620 32 bit. New install of 18.04 Mate. Software Boutique works before the first update. Have have tried the suggestions listed, still have the problem.