I am a fan of ConEmu, as it allows me to open various console(cmd, powsershell, Cygwin bash) in one place with tabs. Also it can auto save and restore opened tabs.
Today when I reopen ConEmu, it prompts a dialog: "Command group
I guess this is because last time the windows was out of power, and ConEmu exited abruptly.
The fix is easy:
click OK, and in the opened dialog, Type: C:\Windows\System32\cmd.exe in the Crete new console field, or select ${cmd} from the dropdown list.
ConEmu - The Windows Terminal/Console/Prompt we've been waiting for?
