Surely many users that see this popup alert just enter their password and click on “Log In”, but that won’t bring up any acknowledgement of authentication or otherwise. Sometimes you may see it on system boot, or logging back in again, or waking from sleep. It usually appears completely at random and not after any particular attempt to use iCloud, iMessage, FaceTime, or any other service, which is what makes it so unusual. To clarify, here is an example of what this type of iCloud password prompt window looks like:

Either way, we’re going to show you how to safely address the weird random iCloud password popup prompt and make it stop showing up, thus if you are concerned about the authenticity of the alerts you can handle it without worry. Nonetheless, if you’re skeptical of the prompt, you can always scan Mac OS X for adware first. Getting an unsolicited password prompt is enough to spook many Mac users, and that’s for good reason given the increasing importance of protecting passwords and personal data, but fortunately the vast majority of the time these popups are nothing sketchy at all. This seems to happen in Mac OS X Mavericks with some regularity, but it can happen in later Mac OS releases too. The random password request is very non-specific and just has the logo, “iCloud Password – Please enter your password for with options to cancel or ‘Log In’.

A notable amount of Mac users have discovered that a random Mac OS X password popup window can appear from iCloud, FaceTime, or Messages, any of each asking for the respective iCloud password.

Clean my mac keeps asking for password