Here’s a short but informative report on the “StartIsBack sad face” issue, structured for clarity and usefulness.
C:\Program Files\StartIsBack\* in your antivirus.Partial uninstalls, registry fragments, or installing a version designed for Windows 10 on Windows 11 (or vice versa) will cause the sad face. The application’s core DLL files—StartIsBack64.dll or StartIsBack32.dll—may be missing, blocked by antivirus, or unregistered. startisback sad face