>>To add to what Wayne has said, Evan, have you tried completely removing the AV on the Acer clients (or one of them, anyway), just to be sure the AV is not somehow related?
>
>WHen I exit out of the virus scanning software, the problem still happens. I noticed in the task manager that there were a few anti-virus processes still runing. After killing those, problem still happens.
>
>I could uninstall the anti-virus software, but I would get my hand slapped big-time and it would take weeks for the help desk to send someone over to reinstall it.

Yeah, I can understand that. Anyone that logs in here and fails the login AV-check gets a quick account lockout :-)

However, we do have an Admin techlab with a secure internal subnet we can test such things on.

That's a tough problem you have, though, where you hardly even know where to begin to look. Reminds me of that vfp "Invalid Seek Offset" problem I had here under vfp6/NT - that one took over 6 months of labor by me and 3 other techs to solve. Naturally, it actually turned out to be something very simple, but something that no one would even suspect to look at from the error message (it was one certain type of out-dated mouse driver installed on only some machines).

But in my case, at least I was positive it was not a hardware problem since I had identical machines without the problem. But in your case...well, if it *is* a hardware problem, you're pretty much up the creek trying to solve it, without additional identical Acers to test with.

The only other halfway-good thing I can think of, in your case, is calling the Acer support folks, get hold of a senior technician (not the frontline techs), see if they've heard about your problem, or have any ideas about it. But, you've probably already done that.

The other thought I have is extremely drastic, and you probably don't even want to hear it, but here goes: how old are the 2 Acers? Is it, um, possibly nearing time to replace them with, say, a different brand that you know does not have the problem? (mostly I say this in jest, but...well, that's one certain solution, anyway.) However, your problem, though I'm sure it's frustrating, doesn't quite sound like a problem that needs such a drastic action.

Again, good luck, you have my empathy.