HomeTroubleshootingAll Products: Startup"RISKOptimizer initialization failed"

2.75. "RISKOptimizer initialization failed"

Applies to:
RISKOptimizer 5.0 only

When I try to launch RISKOptimizer, I get this message:

RISKOptimizer initialization failed.
A exception has occurred.

Error 0000007A opening the Registry key at HKEY_LOCAL_MACHINE.


  1. Close Excel.

  2. Start » Run » REGEDIT and click OK.

  3. Navigate to the key HKEY_LOCAL_MACHINE\SOFTWARE\Palisade\RISKOptimizer\5.0, or HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Palisade\RISKOptimizer\5.0 in 64-bit Windows. Right-click on 5.0 and select Delete.

  4. File » Exit to close the Registry Editor.

  5. Perform a repair of @RISK or the DecisionTools Suite by following the procedure in Repair of Palisade Software.

RISKOptimizer should now run correctly.

last edited: 2012-11-22

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