Cause: Missing Visual C++ Redistributables. Fix: Download and install "VC_redist.x64.exe" from Microsoft (2015-2022 package).
| Issue | Solution |
| :--- | :--- |
| Windows Smartscreen blocks install | Click "More info" > "Run anyway." JTDX is open-source and safe. |
| Missing MSVCP140.dll | You need the Visual C++ Redistributable for Visual Studio 2015-2022. Download it from Microsoft. |
| Audio input not found | Restart your PC with the radio turned on and connected. |
| QSOs not logging | In Settings > Reporting, ensure your call sign and grid square are correct. Disable "Prompt for log upload" if you do not use PSK Reporter. |
To ensure your download is not corrupted or tampered with, check the MD5 or SHA256 checksum. For version 2.2.160, a typical hash (example, verify against official readme) should match the developer's posted values.
Upon first launch, JTDX 2.2.160 will prompt you to select your station settings: