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The Software Fails to Launch
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Troubleshooting the Software Connection to the Device
Error Message: ReadTimeout
The Captured Data Looks Incorrect
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A Protocol Analyzer Produces Unexpected Results
The 'Waiting for Trigger' Window Never Closes
Device USB VID and PID Information
Error Message: Out of Memory Exception Was Thrown
PC Performance Issues with Logic
Data Export Is Not Working
Error Message: A Logic Device Was Found, but There Was a Problem Connecting to It
Trouble Downloading the Latest Software
Logic Does Not Connect over USB 3.0
Why Am I Seeing Spikes in the Digital Capture?
Logic Interferes with My Circuit Operation
The Add Analyzer Menu Is Not Displaying
Other Drivers Interfere with Logic's Operation
The Maximum Sample Rate is Not Selectable
The Digital and Analog Recording on the Same Channel Appear Different
Advanced USB Debugging for USB 3.0 Users with Linux Kernels 3.3 and Older
Driver Install Fails on Windows XP
Saving or Loading Anything Crashes the Software
Error Message: The application was unable to start correctly (0xc0000005)
Memory Usage with Triggered Captures
The Cabinet File disk1.cab has an Invalid Digital Signature
Software Crashes with Virtual Desktops
Pre-Trigger Buffer is Incomplete
Linux Shared Memory Crash
Missing Files: api-ms-win-crt-runtime-l1-1-0.dll or msvcp140.dll
Known Issues on OS X
A Measurement Appears Incorrect
All Known Issues
USB 3.0 Cable Customer Notice (2017)
Warning Message: Logic Pro is running as a USB 2.0 device
Software Issues with Encryption Products
Linux Permission Requirements for Logic Software
My Rise Time and Fall Time Measurements Seem Incorrect
The Analog Waveform Loads Very Slowly after Capture Is Complete
Input Channels are Missing
Exported MATLAB File Does Not Open
Saleae Logic LED Blinks Red
Crashes Caused by macOS Mojave (10.14)
Troubleshooting Signal Crosstalk
Error Message: DeviceSetupFailure
Error Message: Unable to detect WebGL
Sharing your Machine ID
Warning Message: Unsupported Version
Error Function: Device2::SetupDevice
Warning Message: Possible USB Host Controller Problem Detected
Error Message: StartCommandError
Logic 2 Error Messages
PC Detection Test
Apple M1 Support
CentOS Compatibility Issues
Failed to Load Custom Analyzer: libmidi_analyzer.so
Error Message: Failed to Load Extension
CSV Export is Slow
Set an Analyzer Starting Point in your Capture
Logic 2 is Consuming Disk Space
Connection Conflicts with USB Debuggers
PC Restart Causes Logic to Disconnect
HLA Fails to Display Special Characters
Data Table Shows Incorrect Values
Mouse Scrolling Issues
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Error Message: StartCommandError
In the Logic 2 software, you may encounter a StartCommandError message when starting a capture like shown below.
StartCommandError Message

Known Solutions

This error message appears when the Start command fails. The solutions below will typically fix most cases.
  • Connecting directly to a PCs USB port rather than through a USB hub
  • Connecting to a different USB port on the PC
  • Removing and reconnecting the logic analyzer to the PC
  • Removing all other USB devices from the PC (we have seen USB debuggers interfere with Logic's communication with the PC)
We have also seen this issue in the past when using our logic analyzer with Etron USB host controllers. If you find that your PC has an Etron USB 3.0 eXtensible Host Controller, please try other USB ports. This may help determine if your USB host controller is the source of the issue.
If the solutions above don't help, please contact support.
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Warning Message: Possible USB Host Controller Problem Detected
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Logic 2 Error Messages
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