For unrelated reasons I upgraded my Win10 box (Home edition) from 1809 to the 
latest 1909 version, and thought I'd give this another try. I started getting 
intermittent errors when trying to open items under JHS' help menu.

I run AdBlocker Ultimate -- I went into the "..." menu, Extensions, turned off 
AdBlocker from there, and restarted Edge. I haven't been able to reproduce the 
problem since.

Note that just disabling it for the jijx page itself didn't help -- the entire 
extension had to be disabled. Also, I don't run any other extensions. (In case 
the problem is related to extensions in general, rather than an ad blocker 
specifically).

Some other observations:
- For me the problem was intermittent, but often (about a 50:50 hit).
- The error message appears unrelated to whatever is going on. (I received a 
"The object invoked has disconnected from its clients" error at least once, in 
addition to the errors you reported).
- It might be sensitive to timing. I found putting a breakpoint on the 
window.open(a,a) line always seemed to work once I let the javascript continue.
- I tried isolating linkclick() in a simple web page, but was unable to 
reproduce the problem there.

/K


> On Nov 23, 2019, at 9:51 AM, Raul Miller <[email protected]> wrote:
> 
> (I'm not quite sure which forum is right for this kind of issue...)
> 
> I've installed j 9 on a windows 10 system.
> 
> Under microsoft edge, most of the Help menu entries are failing for
> me, with popup notifications like:
> 
> ev_helpwikijhs_click failed: Error: Not implemented
> or
> ev_helpwikinuvoc_click failed: Error: No  such interface supported
> 
> If I enable script debugging, and enable breakpoints on caught
> exceptions, I see that both errors happen on window.open(a,a) (line
> 1202 of jijx).
> 
> So... this is an edge issue and possibly a configuration issue. And I
> guess I'm looking to figure out if anyone knows about how to configure
> edge for this?
> 
> That said, it might be reasonable to put that "function linkclick"
> window.open in a try/catch that just emits an appropriate <a href= to
> the console for the catch handler? (Or, maybe better to make that a
> config option? In case others want that behavior...?)
> 
> Thanks,
> 
> -- 
> Raul
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