Wireshark-bugs: [Wireshark-bugs] [Bug 11766] USBPcap prevents mouse and keyboard from working
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Mon, 30 Nov 2015 18:40:31 +0000

Comment # 17 on bug 11766 from 
(In reply to Pascal Quantin from comment #14)
> (In reply to Alexis La Goutte from comment #13)
> > Pascal, it is no possible to check if the update is available with installer
> > ? (or push a warning on Windows 7 ?)
> 
> No idea on how to detect if this update is installed. Bug given that SHA1 is
> gonna be soon deprecated, any not updated Windows will soon have issues :(
> 
> We could probably enhance the help text in installer to indicate the KB and
> a link to the Github bug report in case of issue.

Assuming that the existence of hotfix 3033929 is sufficient, it looks like we
can check for it using `syteminfo` or `wmi qfe list`. Unfortunately the former
takes 12 seconds to run on my Windows 7 VM and the latter takes 9 seconds.
That's a long time to pause the installer.

Peeking at the registry is much faster, e.g.

> reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing\Packages" | findstr Package_for_KB3033929

but I'm not sure how reliable that is.

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