en to unknown language translation catalogue (4 entries)

[ctx: MainWindow]
en: System is currently configured
target: system is currently configured

[ctx: MainWindow]
en: Validation failed:
target: Validation failed

[ctx: MainWindow]
en: Validation successful
target: Validation sucessful

[ctx: MainWindow]
en: Wait 5 seconds while syncing changes...
target: Wait 5 seconds while syncing changes
