In Excel, I can create a hyperlink to a web page. However, if the URL contains a # character, Excel always converts the hash sign to space-hyphen-space so the link no longer wor
The best solution we have found, without manually changing registry entries, is to reset Internet Explorer to be the default browser. This resets the url, protocol and extension associations and resolves the issue.
Once you do that, even changing the default browser to Firefox and changing it back to IE will not break it again.
This solution is "cleaner" than playing around the registry and has been logged as the official solution at our company.