Internet Explorer has encountered a problem

ok... I've been searching and searching and searching and I can't find any definat answers here.. but a friend of mine is running windows 98.. she brought it to another friends because it was running a bit slow for her.. so her friend cleaned out her pc a bit.. sped it up a bit she said it was working great... now when ever she goes to try to run IE she is getting

Microsoft Internet Explorer has encountered a problem and needs to close. We are sorry for the inconvenience.

If you were in the middle of something,the information you were working on might be lost

Restart Microsoft Internet Explorer

Please tell the Microsoft about this problemWe have created an error report that you can send to help us improve

Microsoft Internet Explorer.We will treat this report as confidential and anonymous

To see what data this error report contains ,click here


when she clicks "click here" the information that is provided is :

"0028:FF0 adc51 IN vxd LUVI 500(01)+000067F1 "

then sometimes she is getting random reboots at times, and others IE will even stay up even after the error has come up... any help would be greatly appreciated... thanks in advance.