Solved
unable to connect to smartbear license.
actually mistakenly i was clicked on "switch to key- based licensing" option in testcomplete after that i was unable to opened testcomplete . so i was refere some content which is given in smartbear ...
Here's the Licensing Troubleshooter. If these steps don't work for you, it will help you submit a request to Support directly.
https://troubleshooter-support.smartbear.com/?prod=Licensing
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