| Issue | Likely Cause | Solution | | :--- | :--- | :--- | | | Browser cache or unstable internet | Clear browser cache or use a download manager (e.g., Free Download Manager). | | Setup.exe won’t run | Corrupted download or antivirus block | Re-download; add exclusion in Windows Defender. | | “Missing .NET Framework 4.8” | Outdated Windows | Install .NET 4.8 from Microsoft’s site (free). | | Prosave cannot see PLC | WinPcap driver not loaded | Re-run installer as Admin and select “Repair”. | | Error: “Unsupported controller firmware” | Controller firmware older than v20 | Update controller firmware or use Prosave V12 for legacy devices. |
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