[images]
Hope bosses to reassure

CodePudding user response:

1. May be button events and your process is not binding

 Private Sub Button1_Click (sender As Object, As EventArgs e) Handles for. Click 

Have a look behind the Handles for. Click , or simply double Click on the button, can look forward to End this way,
2. There may be other threads are hung up
Exit in the.net suggest using Application Exit