The debugger will use symbols from this location which is not trusted for automatic downloads: {0} To use this path, click ...

The debugger will use symbols from this location which is not trusted for automatic downloads:

{0}

To use this path, click Yes.
To debug without using this path, click No.
To stop debugging, click Cancel.

If you trust this location and want to hide this message for this path, add the path to the list under this menu: Debug > Options and Settings > Debugging > Symbols.