Parallel printing affected by security updates?

[JohnT]

A few days ago I installed the following updates on my HP D530 running
Windows XP Home SP2: KB956803, KB956391, KB957095, KB956390-IE7, KB954211,
KB956841, KB958644. Today I found that the HP 932C parallel printer would
not work, as it had before the update. I verified that the printer worked
using my old 98 machine, and verified that the port worked using another
device. Uninstalling and reinstalling the driver had no effect. I found
that LPT1 was set to Never Use Interrupts. I thought this an odd setting for
background printing; I suppose it could use DMA, but that seems like
overkill. At any rate, I set it to Use Any Interrupt and printing started
working again. Has anyone else seen effects on LPT1 from any of the recent
updates?

 

[PA Bear [MS MVP]]

Installing KB958644 may have played a role here.

Start a free Windows Update support incident request, if you'd like:
https://support.microsoft.com/oas/default.aspx?gprid=6527

Support for Windows Update:
http://support.microsoft.com/gp/wusupport

For home users, no-charge support is available by calling 1-866-PCSAFETY in
the United States and in Canada or by contacting your local Microsoft
subsidiary. There is no-charge for support calls that are associated with
security updates. When you call, clearly state that your problem is related
to a Security Update and cite the update's KB number (e.g., KB958644).