| Error | Solution | | :--- | :--- | | “This app can’t run on your PC” | Right‑click installer > Properties > Compatibility > Run as Windows 7 | | Error 1606 (network paths) | Edit registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders | | Missing DLL files | Re‑run installer as Admin, disable antivirus temporarily |