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Download the software is available for download at

DXLog is free of charge.

Prerequisites is written using Microsoft Visual Studio C# and compiled for Microsoft .NET Framework 4.0.

It runs on any Windows version with Microsoft .NET Framework version 4.0 but the development team only verifies DXLog on Windows 10 and 11.

Due to the need to support SSL v1.2 for secure communication with live scoreboards and to download
essential data bases like Super Check Partial, Windows XP is no longer supported.

Before installation of, you need to verify that you have Microsoft .NET Framework 4.0 installed on your PC system.
If you are not sure, you can start installation and the installer will warn you if .NET Framework 4.0
(or above) is not installed on your PC system.

Microsoft.NET Framework 4.0 is included in all Windows 7 and Windows 10 installations.

Should need arise, it is also available for free from the Microsoft website.
Direct download link

If you plan to use your PC's parallel LPT port for CW keying and other functions, you need to download
and install the DLPORTIO.DLL driver due to limitations in Windows. It can be downloaded from

If you plan to use the contest recorder, an MP3 encoder must be installed. See the Contest recorder section for more information.

As of version 2.1.1 is using SQLite database for data storage.
On some Windows installations Microsoft Visual C++ 2010 RTM Redistributable Package (x86 version) needs to be installed.

If this package is not found during installation, installer will warn you.
You can download and install this package from:

Install the software

DXlog must be installed in the Program Files folder.
For 32 bit Processor machines this is usually C:\Program Files\
For 64 bit processor machines this is usually C:\Program Files(x86)\

IMPORTANT: Do not modify the installation folder proposed by the installer.

Application configuration files as well contest and database definitions are copied to a hidden
Windows folder called Application Data during the first run of
It can be reached via the Files|Open configuration directory menu shortcut, the %AppData%
system variable, or its direct location which is C:\Users\USERNAME\AppData\Roaming\

Important: To make a completely clean reinstall of DXLog:

  • Uninstall DXLog
  • Go to the application data folder by entering %appdata% in Windows explorer
  • Delete the folder
  • Install DXLog

Installing intermediate releases

From time to time the development team will make intermediate releases available.
Such releases may not be of production quality and typically solves a particular problem.
If you do not suffer from this problem, and are not part of a testing activity you are not
recommended to install such releases.

Intermediate releases are often referred to as devtest releases.

Since all parts of the DXLog executable may not be fully updated with an intermediate release,
you are recommended to install such twice, the second time using the Repair option.

This is also the case when installing a public release after a devtest release or when
reverting to an older release.

Resetting DXLog to factory settings

  • Go to the application data folder by entering %appdata% in Windows explorer
  • Delete (or better, rename) the folder
  • Start DXLog