First thing you should do is look over the First Steps at Removing Malware , this is the most common cause for unexpected crashes in IE that just start happening.
Also, Run the System File Checker
Go to the Run box on the Start Menu and type in:
sfc /scannow ( sfc if not reconized) (Note that there is a space between sfc and /scannow)
This command will immediately initiate the Windows File Protection service to scan all protected files and verify their integrity, replacing any files with which it finds a problem.
In all likelihood you will be prompted to insert the Windows XP CD.
Visit Windows Update Site, make sure you have the latest Windows components, IE components, drivers and other updates for your system.
Also, Run the System File Checker
Go to the Run box on the Start Menu and type in:
sfc /scannow ( sfc if not reconized) (Note that there is a space between sfc and /scannow)
This command will immediately initiate the Windows File Protection service to scan all protected files and verify their integrity, replacing any files with which it finds a problem.
In all likelihood you will be prompted to insert the Windows XP CD.
Visit Windows Update Site, make sure you have the latest Windows components, IE components, drivers and other updates for your system.
