DSDPlus 2.71 Download Fix: Troubleshooting Your Fast Lane Update

1. The "Cannot find FMP24" or "FMPA" error: The download is missing the tuning manager.
2. Missing MSVCRT DLL errors: Windows cannot run the executable due to missing C++ runtimes (Error 0xc000007b – related to 271).
3. The download stops at 99%: Anti-virus or Windows Defender quarantines the .exe because it unpacks radio data (false positive).

• If using SDR/tuners or virtual COM ports, ensure drivers are up-to-date and the correct COM port is selected.
• Close other programs that might hold the device (e.g., other SDR software or serial terminals).

If you are using SDRPlay, I can specifically help with updating the msvcr90.dll or other base files. DSDPlus 2.268 RSP1A Issue - RadioReference.com Forums

. If you are encountering issues downloading or running it, follow these steps to resolve common "fixes" associated with this version: 1. Verification of Version and Source DSDPlus 2.71 is an older version of DSDPlus Fast Lane Official Downloads

If the file was already deleted, you will need to re-download or "Restore" it from the Protection History.  4. SDR Hardware Fixes  If the software opens but doesn't "hear" anything: 

Fix Config Errors: If the program complains about missing .groups or .radios files, you can often fix this by creating empty "dummy" versions of these files using Notepad in the root folder. Verification & Support

9. Community resources for 2.71

• RadioReference DSDPlus forum – search “271” for specific fixes.
• DSDPlus groups.io – Fast Lane members section.
• Reddit r/RTLSDR – many users solved 2.71 DLL/sound issues.