If you are encountering issues with DSDPlus version 2.71 (or subsequent Fast Lane updates), it is often due to missing base files or incorrect installation paths. Use the following guide to resolve common download and startup errors. 1. Update via the Internal Menu

The Most Common "271" Errors

Users searching for this fix usually encounter one of three scenarios:

The Fix: Do not mix files from different versions. If you want the features of the modern software (like better P25 Phase II support), you must email the developers to join the Fast Lane program. If you want to stick with 2.71, ensure your folder contains only 2.71 binaries. 3. Audio Routing (The "No Audio" Fix)

Step 6: Reset DSDPlus Registry Keys

Corrupt registry keys specific to the 271 build cause persistent crashes.

Q: Why does DSDPlus 271 crash immediately on Windows 11?

A: Windows 11's Core Isolation / Memory Integrity breaks DSDPlus 271's audio injection. Turn off "Memory Integrity" in Windows Security → Device Security → Core isolation. Then apply the registry reset (Step 6).

Step 2: Clean Extraction – Avoiding the 271 Error

Many users double-click the ZIP and drag files out. Stop that. Do this instead:

The Fix: