Thank you for your contacting us with this issue.
Currently, there is the time limit to the deployment process inside The Welkin Suite IDE. This is 120 seconds. If the process doesn't end in this time the IDE returns the failed result.
May I please clarify with you if this limit was exceeded during your deploying components to an Org?
In addition, can you please tell me how many files you were deploying?
We are going to improve the deployment process in the further version of TWS. This information will help us in our development.