If you hide it, after 180 days, wont activate back to 180 days again even you online.
run by Command prompt, after that, you won't see it again.
It safe to use.
To delete command prompt cmd data:
To do this, start by opening the Start menu (Windows key), typing run , and hitting Enter. In the dialogue that appears, type cmd and hit Enter again. With the command prompt open, enter del /f filename , where filename is the name of the file or files (you can specify multiple files using commas) you want to delete