The "server.png is missing" error is rarely about an actual image and usually about the failing to initialize. Try the Dummy File method first; if that fails, the Registry Re-registration (Method 2) is your best bet for a permanent fix.
Ensure your device is correctly detected as "Qualcomm HS-USB QDLoader 9008" in the . 5. Check Driver Compatibility qpst serverpng file is missing patched
Someone had deleted the file remotely. But why? The "server