To report a hang, it's best to provide as much information as possible.
If you are on Windows, attached to SlickEdit with Visual Studio and create a mini-dump. There are instructions posted on the forums, and it is also quite easy to look up how to do this.
If you are on Linux, attach to the SlickEdit process (vs) using "gdb" and issue the "bt all" command to get a backtrace of all threads.
If you are macOS, attach to the SlickEdit process (vs) using "lldb" and issue the "bt all" command to get a backtrace of all threads.
You can post the backtrace here, or place them on the SlickEdit support website.