IBM Support

DB2 GUI tools JAVA splash screen starts to open and then disappears

Technote (troubleshooting)


When trying to open one of supplied DB2 GUI tools the Java splash screen starts to open and then disappears.


DB2 GUI tools not opening


Corrupted *.prf files


Windows operating systems

Resolving the problem

Rename the following *.prf files to *.prf.backup and start the GUI tool again.


The *.prf files are located under:

For DB2 V8.x and 9.1:
      \Program files \IBM\SQLLIB\<instance name>  
For DB2 V9.5 and V9.7:
      On Windows 2008, Windows Vista, Windows 7 and higher:
      \PROGRAMDATA\IBM\DB2\<DB2COPY>\<instance name>

      NOTE: By default the ProgramData folder is hidden.

      All other Windows Versions:

      \Documents and Settings\All Users\Application Data\IBM\DB2\<DB2COPY>\<instance name>

      NOTE: By default the Application Data folder is hidden.

For further discussion on this topic, visit this developerWorks forum thread:

Document information

More support for: DB2 for Linux, UNIX and Windows
OTHER - Uncategorised

Software version: 8.2, 9.1, 9.5

Operating system(s): Windows

Reference #: 1390434

Modified date: 20 September 2013

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