Without more details, this does not represent an actionable security bug. Can you explain, step-by-step, what you did, what you expected, and what happened instead?

You've attached two PDF files. Are they related to the issue somehow?

Can you please explain what you mean when you say "forcing an improper shutdown"?

Closing due to lack of feedback from the user. If you encounter further problems here, please reactivate.

This bug has been closed for more than 14 weeks. Removing security view restrictions.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot