Rule set error when logging into Spectrum OneClick

Document ID : KB000007018
Last Modified Date : 14/02/2018
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Issue:

Users seeing the following error when logging into Spectrum OneClick:

 

Application Blocked by Deployment Rule Set 

Cannot verify rule set jar 
Cause:

There is a DeploymentRuleSet.jar file located in the C:\Windows\Sun\Java\Deployment directory on the client machine.
Resolution:

Remove the DeploymentRuleSet.jar file or update the DeploymentRuleSet.jar file to enable OneClick to run.
Additional Information:

Please reference Deployment Rule Set for more information.