Please note that this normally happens when the file which is used for updation from server named "OLNU.exe" got corrupted on either SERVER\LAN system or on both systems.

1. Go to Root location of the software - "C:\Program Files\K.D.K. Software\KDK Support"   OR   "C:\Program Files (x86)\K.D.K. Software\KDK Support"

2. Open Update.exe file and click on Download Manager


3. Download here > OLNU


4. Once it get downloaded, Extract this file, copy it and paste at the following location (SERVER and LAN Both the Systems) :

      “C:\Program Files\K.D.K. Software\KDK Support” OR “C:\Program Files (x86)\K.D.K. Software\KDK Support ” (Replace it when it ask to replace).

Location of the OLNU file is :
“C:\Program Files\K.D.K. Software\KDK Support” OR “C:\Program Files (x86)\K.D.K. Software\KDK Support” here you will find a file with the name OLNU.

This should solve the problem.
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