Keyboard/Mouse wierdness after 10.4.5 update

About one week after I updated to 10.4.5 I've had numerous keyboard freezes and my left mouse button acting as if it were right clicking (contextual menu popping up). I've had to reboot to clear this condition.
I had used the combo-update version of 10.4.5 when I upgraded and ran YASU 1.3.5 to clear my caches and permissions immediately after upgading.
Since this is an intermittent problem it doesn't seem like a .plist or other preference file is corrupt.
Any suggestions on where to look?

Hi, Albert. Welcome to the Discussions.
1. If you are using a third-party keyboard or mouse and had to install associated, vendor-provided software for configuring those devices, check their vendors' Web sites for updates to that software.
2. If you have installed interface modifications or other third-party software related to keyboard or mouse functions, e.g. customizing keyboard shortcuts, custom mouse pointers, etc., again check for updates to such. Such mods and third-party add-ons often become problematic after Mac OS X updates. Often these are launched as Startup or Login Items: my "Troubleshooting Startup and Login Items" FAQ may help you ascertain if such items are causing the problems.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X
Note: The information provided in the link(s) above is freely available. However, because I own The X Lab™, a commercial Web site to which some of these links point, the Apple Discussions Terms of Use require I include the following disclosure statement with this post:
I may receive some form of compensation, financial or otherwise, from my recommendation or link.

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