If you’ve just booted up your Windows 10 or Windows 11 PC and noticed that your custom Start button has been replaced by a small, white icon (or a blank square), you’re not alone. This is a known visual bug associated with the popular Start menu replacement tool, StartIsBack (or StartAllBack).
"Startisback" is a software that allows users to bring back the classic Windows Start button and menu, similar to what was available in older versions of Windows. startisback sad face
The "sad face" (usually appearing as a :( emoticon) in StartIsBack or StartAllBack is a built-in indicator that the software's or its activation has failed. Why the Sad Face Appears If you’ve just booted up your Windows 10
The StartIsBack icon is stored in the Windows icon database. If that database is corrupted, the "Sad Face" appears. The "sad face" (usually appearing as a :(