An end user contacts the help desk to report a browser issue. When the user selects a hyperlink to a POF file within the browser, nothing happens. The user notes the browser is otherwise working…

Restarting the computer is the foundational first step in the CompTIA troubleshooting process because it clears temporary session states, resets plugin processes, and resolves many transient software conflicts without requiring further diagnosis. Since the browser is otherwise functional, the issue may be caused by a stale PDF renderer or browser plugin state that a restart can resolve. This is the lowest-cost action and should always precede more involved steps.

Installing browser updates may resolve the issue but is a more involved step that should only be taken after simpler remediation like a restart has been attempted first.

Testing in a different browser is a useful diagnostic step but comes after the basic restart in the standard troubleshooting order.

Disabling the pop-up blocker addresses pop-up window suppression - PDF file rendering failures when clicking hyperlinks are not caused by or related to pop-up blocking behavior.