Manager on Linux Mint LMDE5 Elsie 5.4.12 error occured

[eko]

Linux instability

I am using Manager-linux-x64.AppImage on an Ubuntu laptop running the latest LTS release. Performance has been flawless for many years. But beginning about a month ago Manager has had stability issues. For example when I am entering a receipt, as I move through the fields weird things happen. Dropdowns lock up, lists don’t display, the whole screen jitters and then the screen contents disappear. It might reappear momentarily if the cursor gets to the right spot, but this is transitory. Manager i…