Windows 10 Home // Microsoft Windows [Version 10.0.14393]
Lenovo Thinkpad T430i // i3// 4GB RAM // 120GB Sandisk SSD
Dual boot with Ubuntu
This is liable to happen to any program at all- Chrome, Word, Notepad, CMD.exe, anything- when I am working for at least 30 minutes on a project with multiple windows. At random minimized windows will simply "disappear" with no evidence of their presence on the taskbar, alt-tab, task view, etc.
As you can see in this screenshot there is only one visible CMD window, but task manager shows four running under "Apps". A command I started in one of the missing Windows completed successfully later on according to its logfile. Also