My desktop is "fudged"

[Jesus Shuttlesworth]

I'm on it right now, it's a pretty old Dell and its been acting real weird for a while now. I can't login to certain websites, websites have been crashing a lot, have gotten the blue screen a bunch of times and I just noticed the date set to May 3rd 2003?

I got this when after sending in an error report after it crashed one time

Consider BIOS upgrade Microsoft is unable to determine the exact cause of this error. However, this problem was most likely caused by an error in your computer’s random access memory (RAM). RAM is the main internal storage area the computer uses to run programs and store data. During the crash analysis, we noticed the basic input/output system (BIOS) version on this computer does not match the specifications for the central processing unit (CPU), also known as a processor, that is installed on your computer. This can occur when a newer processor is installed on an older system board or older BIOS. Using a BIOS that does not support the installed processor can result in Windows system crashes. Contact your computer manufacturer or motherboard manufacturer for an updated version of BIOS for your computer's processor. How do I find my computer manufacturer? Click Start, click Run, type msinfo32, and then click OK. Your computer manufacturer is listed as the System Manufacturer in the right pane of the System Information window. Click to go online to see contact information for most computer manufacturers Additional information Note * Upgrading the BIOS version may require moderate to advanced troubleshooting skills. If you are uncomfortable with performing these steps, you might want to consider consulting with paid technical support. * If your computer contains an Intel desktop board, click the following link to go online for more information: Intel desktop board BIOS update instructions List of BIOS Manufacturers For a list of BIOS manufacturer websites, see the following two Knowledge Base articles on the Microsoft Support website: See the article 243909 for a list of BIOS manufacturer websites Part 1 (A-Pi) See the article 243971 for a list of BIOS manufacturer websites Part 2 (Pr-Z)

I know more info is probably needed but I figured I would put it on here to see anybody had some advice or something/for a start.