
Hi @mohamed midhat,
Great to know that and thanks for sharing the update here.
By the way, since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others." and according to the scenario introduced here: Answering your own questions on Microsoft Q&A, I would make a brief summary of this thread:
[SharePoint 2013 on premise workflow internal status: not started and Initiated: Anonymous]
Issue Symptom:
When run the workflow manual the initiator will be Anonymous and internal status: not started.
Current status:
Problem solved after removing useless workflows.
You could click the "Accept Answer" button for this summary to close this thread, and this can make it easier for other community members to see the useful information when reading this thread. By doing so, it will benefit all community members who are having this similar issue. Your contribution is highly appreciated!