The phrase "possible shutdown" refers to a situation where something, like a business, organization, or government, might have to stop its regular activities temporarily. Full definition
Demonstrators near Rikers Island demanded the prison be included on NYC Mayor Bill de Blasio's list of «symbols of hate» facing possible shutdown or removal because they said a descendant of the complex's namesake was a notorious slave - catcher (nystateofpolitics.com)
Atari's possible shutdown leads Information Download. (cheatcc.com)
CP and two of its unions have until midnight today to settle contract issues to avoid a possible shutdown of services that could negatively impact the Canadian economy. (cme-mec.ca)