The .ecxr command changes to the context that is associated with the dump's exception. It displays the registers at that context.

Use .cxr to reset the context to the default context.

In general, start the debugging of a dump file by executing .exr -1, .ecxr and k. And then use !analyze -v.

Additional Resources:

Note: Also supported as ".excr" due to the high occurrence of typos.