Another strange problem today while trying to install Firefox 3 RC3 on a Windows XP SP2 on a corporate laptop. Almost immediately after I run the installer:

"Sorry, Firefox can’t be installed. This version of Firefox requires Microsoft Windows 2000 or newer.”

WTF? This is a Windows XP SP2, you moron !

I remember having the exact error with one of the Beta releases. A reboot does not make a difference, I have administrator privileges, so it must be the braindead anti-virus, right ?

If you use RHEL or CentOS a lot and you often find yourself looking for good information on the web about either CentOS or RHEL, you might find the following Firefox search addons very useful.

Here's my overview, sorted by importance:

Red Hat Knowledgebase search

Search Red Hat's extensive knowledgebase, documentation and many other resources

As a fervent user of tabs in my browser, this article caught my attention. It explains in great detail all the different changes and improvements to Firefox that affect its memory usage.

At some point you start to wonder how it could have gotten this worse, but it usually takes a big swing in one direction to get corrective actions and a joint focus on what was neglected.