Guna - can your dashboard open / launch from Chrome? Which version of the BI platform are you using? Which version / SP of Design Studio? Please also follow this wiki for further troubleshooting: https://wiki.scn.sap.com/wiki/display/BOBJ/Design+Studio+BI+Platform+Support
Tammy
Can you launch the application from the tool "Execute from BI Platform"? As Tammy said, can you try in different browser?
Do you have proper rights to execute from launhpad? Check applications ->Design Studio run time" option, verify if you rights
Do you have proper rights to execute from launhpad? Check applications ->Design Studio run time" option, verify if you rights
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