DELL optiplex 755 freezes after win updates -- windows XP SP3

I have some DELL optiplex 755s, that freeze after high priority windows updates run.  They are running windows XP SP3.  This has been the case for these PCs for a while now, and I have left auto updates turned off.  Does anyone know if there is a known issue with these systems.  I saw online a problem with ATI video drivers/catalyst control center, which I have, and windows udpates,  but I am not sure if this is the issue or not.
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First off: Check the Dell website for BIOS Flash updates, and driver updates to your laptops. (You can lookup based on serial number.)

Some questions:
Does this when booting in Safe Mode after patching?

Which patch are you talking about - may give a clue to what is being (repaired by MS, but) broken in the system.

When a freeze happens, does the HD chug for a while? May indicate that it's saving you a memory dump.
Memory dump is old school BSOD, it will tell you which program crashed.

We have a lot of the optiplex models and the main thing i found to try is to update the BIOS to the latest version from dell. It seems quite an annoying thing to do but it has fixed so many issues over the past two years.

Other than that if i find it causes too many problems i will usually rebuild the machine (using ghost or RIS) and then run all the updates i can find before reinstalling the applications etc. ill point out i only ever do this for the odd one or two pcs never more than that.

when you say freeze do you mean a complete lock up or a BSOD?
Might I add, that if you install the video driver from MS I have seen where other updates will cause conflicts, my suggestion is to go to AMD's site and download the most current ATI driver and Catalyst software and install. we have several 755's and we do not update the video drivers for this exact reason.
Good luck if you choose to disable Ms's update for video make sure to check the hide button so it does not prompt another user to install the update. if running WSUS or SCCM i recommend sending out the new driver from ATI's support to all the machines at the same time.

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PPIHXMAuthor Commented:
thank you!
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