Hey Ray,

Excellent catch...that "best practice" thing. I glanced at the article
when I first discovered SetErrorMode() and totally missed that important
info.

Not only that, but I get the idea that it is setting the error mode only
for that application...in deed, maybe even only for the particular
thread it's called in. So, I think it can be turned off at start up and
then there is no reason to even set it back to default before
termination.

I opened up two command prompts and ran get_space() on one without
calling SetErrorMode() at all and another that called only
SetErrorMode(1) ... and never SetErrorMode(0). The command prompt window
that didn't call it got the pop-up every time I ran it. The other did
not....no matter that I ran the one that turned off the pop-up
first...so it should have zero impact on other apps or processes.

That makes the answer clear to me...call
ctypes.windll.kernel32.SetErrorMode(1) at start up and forget about
it...unless there are other threads that could raise the error (I think
I did see code that indicated wubi had more than one thread), then they
all would need to call it as well before they were started.

-- 
wubi installer's pyrun.exe says "no disk"
https://bugs.launchpad.net/bugs/365881
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