Access Denied

[Jacob]

SDRTrunk was running until it decided it was time to close on its own. When I restarted the program it auto started the three channels that it was supposed to. The only difference is now all three said idle, not one was working despite being able to see the frequency in the waterfall correlating to what the frequency is for the control channel. It was on a P1 system and a P2 system with a P1 CC. It did not matter if I opened the newest nightly or v0.6.1 I got the same result. I restarted the PC a few times with the same results and then finally it said that access was denied to the tuners. I attempted to reinstall the driver and restart a few more times and one of them finally started to work, but now it has stopped working once again. I have tried all different ports and they appear to work for a short time before the application shuts down, or after a restart that port no longer will allow access to the Airspy. This is a snip of the latest error: 

2026-02-12 17:02:05.081 ERROR i.g.d.s.t.u.USBTunerController - Access to USB tuner denied - (windows) reinstall zadig driver or (linux) blacklist driver and/or check udev rules  [12MB/40MB 32%]
2026-02-12 17:02:05.081 INFO  i.g.d.s.t.m.DiscoveredTuner - Tuner Error - Stopping - Airspy USB Bus:1 Port:5 Error: access denied - if using linux, blacklist the default driver and/or install udev rules  [12MB/40MB 32%]
2026-02-12 17:02:05.081 INFO  i.g.d.s.t.m.DiscoveredTuner - Stopping Tuner: Airspy USB Bus:1 Port:5  [12MB/40MB 32%]
2026-02-12 17:02:05.082 ERROR i.g.d.s.t.m.DiscoveredUSBTuner - Unable to start tuner [Airspy] - error: access denied - if using linux, blacklist the default driver and/or install udev rules  [12MB/40MB 32%]
2026-02-12 17:02:05.084 INFO  i.g.d.s.t.m.TunerManager - Tuner: USB Tuner - Airspy USB Bus:1 Port:10.2 - Added / Starting ...  [15MB/40MB 38%]
2026-02-12 17:02:05.088 ERROR i.g.d.s.t.u.USBTunerController - Access to USB tuner denied - (windows) reinstall zadig driver or (linux) blacklist driver and/or check udev rules  [19MB/40MB 48%]
2026-02-12 17:02:05.088 INFO  i.g.d.s.t.m.DiscoveredTuner - Tuner Error - Stopping - Airspy USB Bus:1 Port:10.2 Error: access denied - if using linux, blacklist the default driver and/or install udev rules  [19MB/40MB 48%]
2026-02-12 17:02:05.089 INFO  i.g.d.s.t.m.DiscoveredTuner - Stopping Tuner: Airspy USB Bus:1 Port:10.2  [19MB/40MB 48%]
2026-02-12 17:02:05.089 ERROR i.g.d.s.t.m.DiscoveredUSBTuner - Unable to start tuner [Airspy] - error: access denied - if using linux, blacklist the default driver and/or install udev rules  [19MB/40MB 48%]
2026-02-12 17:02:05.089 INFO  i.g.d.s.t.m.TunerManager - LibUsb Hotplug event notification Is Not Supported on this platform.  [19MB/40MB 48%]

If any other information would help determine the cause please let me know. This is also on a new install of windows so there is nothing else on the computer except Trunking Recorder and DockerDesktop for the transcribing.

[Dean Timothy]

Is this a Windows machine?  Patch Tuesday was this week.

Dean

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[Michael Cadiere]

If it crashed, I would got to Playlist editor, channels tab and verify all is correct

Check out your C:\Users\your-user-name\SDRTrunk\playlist ,

Open your Playlist xml with a text editor "does everything seem to be there?

I make a monthly backup of that Playlist folder, 90% of the time sdrtrunk crashes

It wipes out my playlists (no channel info in the xml)