Solved invalid floating point operation

Dell
November 25, 2006 at 22:42:49
Specs: Windows XP Media Center, Centrino Duo / 1gig

Hi all, on my Dell Laptop I have recently began getting errors stating "Invalid floating point operation." I dont just receive that message for one program, but for many. I may be in the middle of a DVD burning program when I get it, or a setup file to install a program (which prevents me from setting the program up). Thanks in advance for your help.

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#1
November 26, 2006 at 11:17:40
✔ Best Answer

When did this first start happening?
Have you made any changes to your hardware since you first started getting this error, such as did you install ram that hasn't been installed in this computer before?
Did you install some software just before this started to happen?

Apparently this is a common error, and it is probably nothing to worry about if it happens rarely and/or if it occurs only rarely when you use a certain program.

However, when it happens frequently, or with many programs, it is obviously not a good thing.

According to a search of the Microsoft site:
- One thing the latter can indicate is the math co-processor is not being properly recognized.

I would suggest:
Check your bios Setup settings and make sure all features of your cpu including it's math co-processor are enabled.
If you are overclocking anything, set the bios to lesser settings or default settings.
If you not sure what to change, load bios Defaults and try that.

- If you are using SQL server software you can get this error frequently - there are updates to the software available that will fix the problem.

- If nothing you try helps, you may be able to find out what is causing the problem with a Debugger tool. This can be complicated to use and interpret.
http://www.microsoft.com/whdc/devto...
http://www.microsoft.com/whdc/devto...
Debugger tool for 32 bit op systems including XP.
http://www.microsoft.com/whdc/devto...
......

Alternatives?

Check the current voltages in your bios Setup to make sure they are close to what they should be, with and without the AC adapter connected to the laptop. If the voltages are too far out of whack, especially if they are too high, they can damage your cpu and other components in the computer.
Check the current temperatures while you're there - if any are too high, your cpu or other components can be damaged. A high cpu temp may indicate a cpu fan problem, or that there is crap on the cpu and/or the cpu heatsink, or the laptop is not getting proper ventillation of the heat generated by the cpu etc. for some other reason.

You could try cleaning the contacts on your ram, and making sure it is properly seated in its slot(s). You must remove the power to the laptop when you remove or install the ram - AC adapter unplugged, main battery removed. Isopropyl or methyl alcohol, or a tiny bit of dishwashing detergent in water will clean the contacts on the module - dry it off - don't touch the contacts with your fingers after that. Check the ram slots for contamination - blow them out if you need to or use something such as a tiny artists paintbrush to brush them clean. Install the ram in its slot(s) so that it is properly seated.

If these errors are not the only problem you're having, your hard drive may be starting to fail.
check your hard drive.
See the latter part of response 1 in this:
http://www.computing.net/windows95/...
If you don't have a floppy drive, you can get a CD image diagnostic utility from most hard drive manufacturer's web sites.

Your Registry may be corrupted.
Try using System Restore to revert to a previous registry with a date before your error started to happen.

Some of your system files may be corrupted. Try running system file checker - Start - Run - type: sfc /scannow - to see if it can help by restoring corrupted or missing system files.

Your Windows installation may be otherwise corrupted. Look at the Toshiba utilities in your Programs listings, and/or look on the Toshiba web site for information about using those programs, to see if you can re-install or repair the operating system without losing what you have added since the Toshiba supplied software was first installed.


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