Without the server running, (Qualcomm Flash Image Loader) cannot communicate with your phone's COM port. Method 1: The "Dummy File" Patch (Easiest Fix)

Download a fresh copy of your specific QPST Tool version installation folder.

installed. Without these, the tool cannot communicate with the device, which can sometimes trigger generic "server" or "missing file" errors when the software tries to initialize a connection. Use a Verified Version