Is this a legitimate request from Apple
I have been getting this pop up for several days. It doesn't sound legit because Apple usually tells me why changes are needed. If it is not legit, how do I get rid of it? I usually just move it out of the way, but they are starting to pile up.
iMac (27-inch Mid 2011), macOS Sierra (10.12.4), iMac retrofitted with SSD HD