Screen is dim on my Mac Mini after installing 10.6.3 update

Has anyone else encountered this problem? My Mac Mini was running just fine until I installed 10.6.3. After the reboot the display came up very dim. The icons and overall display are noticeably darker and playing a flash video (Hulu) results in an image that can barely be seen because it is nearly black. This is both with a direct DVI connection as well as through a DVI to VGA adapter. The same symptom is displayed on my ViewSonic monitor as well as my Sony HD TV (through the VGA port).
Mac OS X 10.6.3
2 GHz Intel Core 2 Duo
Intel GMA 950 built-in video card (64 MB of memory)
1024 x 768 @ 60Hz, 32 bit color
There isn't much to change in System Preferences -> Display and I tried adjusting the contrast (System Preferences -> Universal Access -> Enhance Contrast) but nothing seems to help.
Any suggestions or recommendations would be greatly appreciated.
Thanks,
Keaton
Message was edited by: KAdamsInCo

PRAM reset also did not work for me on 3 mac Minis all with the same issue after the 10.6.3 update. I get the following errors in the ColorSync utility on all 3 machines:
I can also pick another color profile but all of them appear very washed out - I also miss my original profile.
Searching for profiles...
Checking 62 profiles...
/Library/Application Support/Adobe/Color/Profiles/DCDM_X'Y'Z'.icc
Tag 'A2B1': Required tag is not present.
Tag 'B2A1': Required tag is not present.
Tag 'A2B2': Required tag is not present.
Tag 'B2A2': Required tag is not present.
Tag 'gamt': Required tag is not present.
/Library/Application Support/Adobe/Color/Profiles/DCI_P3.icc
Tag 'A2B1': Required tag is not present.
Tag 'B2A1': Required tag is not present.
Tag 'A2B2': Required tag is not present.
Tag 'B2A2': Required tag is not present.
Tag 'gamt': Required tag is not present.
Verify done - found 2 bad profiles.

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