When editing pages in SharePoint 2010 if our editors use the URL Link option in the toolbar on a page they can make sporadic links in the page with no problem, often doing Links from Address or Links from SharePoint once or twice on a page is fine. With multiple edits, in the same session where the page is still in edit mode and not saved, the Link to Address option is available but trying to use it the pop-up never appears. Used once or twice in a session, no problem, more than that and often the option won't activate, the pull down will show the Address option as highlighted but it won't bring up the pop-up to allow creation of the link.
Often the only way to get this back is to close out the edit session, clear the cache in the browser then go back and edit the page. This happens more with the Address option than the SharePoint link option, if the Link to Address option becomes unavailble the Link to SharePoint option is still active and can be selected.
In checking with Fiddler I see that a use to the Link tool generates a call to:
When the problem occurs and the options become unavailable there is just no call, so it seems that either the browser just doesn't know what to do or the call back to SharePoint is bogged down somehow but I am not sure where to look.
We are using SP2010 Enterprise, this happens with IE8 and we want our editors to use IE8 to eliminate issues so while I could say there is an option to use FireFox we'd like to standardize. Has anyone seen similar issues with Toolbar options and have an idea where I can troubleshoot further?