From: NONONOmisc07@fmguy.com
In alt.comp.os.windows-11, on Thu, 19 Feb 2026 10:59:42 -0500, Paul
wrote:
>On Thu, 2/19/2026 8:39 AM, micky wrote:
>> USB flashdrive light goes on for no apparent reason.
>>
>> I have a flash drive with nothing but data, music on it, but when I'm
>> doing other things totally unrelated, the light in the flash drive goes
>> on for short periods. Not a problem but I just want to understand. Can
>> you all tell me why the light goes on?
>>
>
>Windhawk ? Explorer Patcher ? Clean machine ???
Windhawk has been deleted. EP is mostly or entirely about the GUI. It's
clean afaik.
>
>Process Monitor, Filter set to "Operation is Readfile/Writefile/Createfile",
>then look to see if a particular partition letter is being accessed.
That would work, but the output is so big. And below you say not all
activity would show up.
> https://learn.microsoft.com/en-us/sysinternals/downloads/procmon
>
>Not all activity will show up that way, but it's a damn sight easier
>than using WinDBG. If the system is doing physical layer access (unlikely),
>then that may not show up.
>
>We used to see this behavior on older Windows. If you had a DVD
>in the drive, it would "do a sniff" of J: every once in a while.
>In some cases, people would see sniffing once a second. There
>is no particular reason this should be going on today, unless
>you have configured Windows Defender to do this (DevMode?).
I didn't make any changes to winDEfender. I use it but with defaults.
>They don't even tell you here, whether enabling that causes
>USB sticks to be scanned. I have not particularly noticed my
>8GB stick being scanned (the one with the very nice LED), but
>on the other hand, I have seen my fair share of unnecessary
>defender yellow warnings on my D: drive.
>
>https://learn.microsoft.com/en-us/windows/advanced-settings/developer-mode
I didn't even know we had developer mode for PC's. I've onlh seen it on
android.
> Paul
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