Helping people with computers... one answer at a time.
A flashing message during boot-up is not necessarily worrisome, but it is worth investigating.
When I boot my machine, Windows 7, the command prompt will flash up on my desktop, but does not stay long enough that I can see what's going on. Is this something I should be worried about? It just started happening in the last month or so.
In this excerpt from Answercast #52, I look at ways to capture and read an error message that flashes at boot time.
I honestly don't know if it's something you should be worried about, but it is something that I would probably investigate.
I'm going to share a tip that I learned. I think it was from Fred Langa who did the old Langa List. He's now over with WindowsSecrets.com.
He had a wonderful solution for these kind of flashing things that happen on your computer. If you've got a digital video camera, great!
If you've got any kind of a digital video camera... those are perfect for this kind of thing. (If you don't, see if your phone has some kind of digital video capability.)
Where I'm headed of course is:
Take a video of the screen as your computer is booting (during the time that window pops up and then goes away).
Then later, take that video (maybe even to the same computer) fire it up and see if you can slow motion through it or pause it at the point that window pops up.
That's one way of determining what that window said. That way, you can slow it down effectively and see what the contents of that window are. From there, see if perhaps you can determine what it is specifically and why it's running.
Now, the other approach to this problem that's more traditional (more high-tech as opposed to this low-tech) is to use a program called Process Monitor.
Now, it's difficult to use it properly at boot time. What it does is... when it starts, it starts collecting everything that happens on your machine.
So if you have a way to get it started before this happens during your boot, then you can:
Go to Process Monitor after you finished booting.
Stop it from collecting more data;
And then examine the data that it has collected for you.
It will be complex. It collects just a ton of data. It's really very valuable if you are at all technically inclined.
The one thing I would point out real quick is, I believe, there's a Summary option in the Tools menu of Process Monitor. That may actually give you a very nice run-down of exactly what's been going on
But if nothing else works, then that can certainly identify exactly what
process was started during the boot, if you can get it to run before this
flashing window does.
Next from Answercast 52 - Why does Save As not work in my web browser?
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