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Description

When trying to start or stop the LPS service from either services.msc or the LPS Service Manager, the LPS service hangs in a "Starting" or "Stopping" state. No error message displays on screen or is added to a log file. You may also see that WatchDogNT.exe is running within task manager but llmwbp32.exe is not. 

Solution 1

The drop file directories are too large and need to be purged.  This indicates that Housekeeping is not running or the Housekeeping threshold is set too high.  Orphaned files may also exist in the drop file directory structure.

  1. Close all Loftware programs
  2. Open Windows Task Manager (Start > Run > Taskmgr)
  3. In the Processes tab, make sure both WatchDogNT.exe and llmwbp32.exe are not running (you may need to click "Show processes for all users").  If either is running, select the process and click End Process.

  4. Navigate to C:\Program Files (x86)\Loftware Labeling\WDDrop in Windows Explorer.
  5. Right-click each directory in WDDrop and select properties.  In the properties window, note how many files are in each directory.
  6. If there are more than 0 files in OLEBP, or if the Size value of either the Printed or Error folders exceeds the Purge value set in Loftware Print Server Configuration - Housekeeping, rename or delete all of the directories in the WDDrop directory. They will be automatically recreated when the Loftware Print Server Service is started.
    NOTE: If the file size of any of the folders is excessive the delete or rename process could take some time to complete. Using the SHIFT-delete options to delete the folders takes the least amount of time as it does not first move the folders to the recycle bin, or in the case of renaming, needs to change the location address for each file.

  7. Go to Windows services (Start > Run > services.msc) and start the Loftware Print Server service.

If your issue was caused by a clogged WDDrop directory, the LPS service will start normally.  You will likely want to look at your Housekeeping settings to ensure that these directories are cleaned regularly to avoid this situation in the future.

Solution 2

The WatchDogNT service needs to be unregistered and a repair on the installation needs to occur.  This may be evident if you can not access the service's properties in services.msc.

  1. Open command prompt and cd to the Loftware Labeling directory.



  2. Run "WatchDogNT.exe -r" (there will be no output, the prompt will move down a line).



  3. Check the list in services.msc to make sure Loftware Print Server does not appear on the list 
     
  4. Run "WatchDogNT.exe -j" and then "WatchDogNT.exe -security", follow the message boxes that appear



  5. Check the list in services.msc to make sure Loftware Print Server now appears on the list.  If so, start the service 



If the steps above did not solve the issue, try running a repair on the installation

  1. Open command prompt and cd to the Loftware Labeling directory. 


  2. Run "WatchDogNT.exe -r" (there will be no output, the prompt will move down a line).


  3. Check the list in services.msc to make sure Loftware Print Server does not appear on the list .
  4. Run the LPS installer, when given the option, choose Repair
  5. Make sure Initialize Loftware Print Server is chosen during the repair. 
  6. Check the list in services.msc to make sure Loftware Print Server now appears on the list.  If so, start the service.



Once this is done, your LPS service should now appear on the services list and can be started and stopped.

 

 

Article Number

 2014023

Versions

 All supported LPS versions

Environment

All supported installation environments.