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Libronix DLS Diagnostic Logging

The Libronix DLS supports diagnostic logging that will generate a list of its actions for Libronix technicians to examine.


  1. Close the Libronix DLS. If there was an error the last time you ran the Libronix DLS, it may not have shut down properly. To ensure that it is shut down:
    • On Win 95/98/ME, press Ctrl+Alt+Del and examine the list of programs to see if Ldls or Libsys is listed. Select any copies you find and click End Task.
    • On Win NT/2000/XP/Vista, press Ctrl+Shift+Esc to open Task Manager. Select the "Processes" tab. If LDLS.exe or LibSys.exe appears in the list, select it and click End Process.
  2. Open Windows Explorer and navigate to the C:\Program Files\Libronix DLS\System folder. Double-click the EnableLogging.js file to run the script that will turn on logging. Click OK when prompted. If your machine does not have this folder or the EnableLogging.js file, you can download it here. Save it to your hard disk and launch it as described above. (See the Note below if Windows cannot open the file.)
  3. Run the Libronix DLS. On the right end of the Libronix status bar, there should be a "Logging" indicator showing that logging is taking place.
    Logging status bar indicator
    Perform the action that caused the error. Once the error has occurred, close the Libronix DLS.
  4. Find the files ldls.log and libsys.log in the My Documents\Libronix Log Files folder and email them to If you have a compression utility (such as WinZip), using it to compress the files first will make the email much smaller and quicker to send.
  5. In the C:\Program Files\Libronix DLS\System folder, double-click the DisableLogging.js file. If your machine does not have this folder or the DisableLogging.js file, you can download it here. Logging causes the Libronix DLS to run slowly, and can create large log files on your hard disk, so it is best to disable it for normal use. (See the Note below if Windows cannot open the file.)

Note:  If a Windows dialog opens with the message "Windows cannot open this file" and asks "What do you want to do?," when you double-click on EnableLogging.js or DisableLogging.js, follow the steps below to select a program to open it.

  1. Click Cancel in the dialog window.
  2. Open My Computer and click on Tools | Folder Options.
  3. Click on the File Types tab.
  4. Click on the New button.
  5. Type JS in the File Extension box and click the Advanced button.
  6. Choose JScript Script File from the Associated File Type drop-down list and click OK.
  7. Highlight the JS extension and look at the "Details for 'JS' extension" information next to the Change button. It should say "Opens with: Microsoft (r) Windows Based Script Host." If a different program or no program is listed there, click on Change.
  8. Select Microsoft (r) Windows Based Script Host from the Recommended or Other Programs list and click OK twice.