Question about Microsoft Windows XP Professional With Servise Pack 2 (e8503040) for PC

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Oc failed when i switch on the pc the msg is showing that oc failed

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Re: oc failed

In this case i assume the 'OC' is refering to the overclocking facility in your bios, so firstly press F2 or Del when your pc is booting up and, unless you have changed any settings to cause the fault, look in the cmos settings for 'Load Default Settings', save settings and exit for a reboot and see if the same message pops up. If so you may need to check the memory is seated correctly and any other peripheral connected to your motherboard, assuming it is a desktop pc. Isf still no change try resetting the bios by way of a terminal called CLRCMOS or CLR CLK or JBAT1, but you will have to refer to yourmotherboard manula or post the board details back here.

Posted on Aug 14, 2007

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Hi i got msg again an agin apllication not found how can fix this problem and show msg c:\windows\system32\rundll32.exe

you can use your Windows XP cd to try and repair your windows installation (for this you need to know the administrator password for your computer)
if this does not work, i'm afraid you will have to re-install Windows completely, which means that you will lose all data on the C-drive.

Apr 22, 2010 | Microsoft Windows XP Professional for PC

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I am using windows vista ultimate 32 bit. while

This could very well be an issue with your hardware. Most of the time when you get an OS corruption message it is either a virus or hardware failure.

From the hardware failure camp I would look into these items in this order:

1. Hard Drive:
Your files are all stored on your drive and if they can no longer be successfully read from or written to the device this will cause the problem. The Hard Drive is one of the few things in a PC with moving parts and makes it a prime part to fail.

You can go to your hard drive manufacture's website and download the files to make a boot able CD or usb drive that will boot up before windows and allow you to test your drive. If the drive fails the testsyou will need to replace it and reinstall vista.

2. Memory:

Bad memory can cause a huge amount of hard to explain issues with any computer. It is not as common as the hard drive failing, but it does happen.

Go to and download the iso image to create a bootable diagnostics disc like you did with the hard drive. This test will take several hours to run, but will give you the piece of mind that only knowing your memory condition can give you :)
If your memory fails the test this is the best case situation and you can simply remove the bad stick of memory if you have more than one stick installed or simply replace it with the same part.

Aug 12, 2009 | Microsoft Operating Systems

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Divide Overflow Error msg

well, in DOS the game Wizardy - Bane , still shows up the divide error msg

how ever, i decided to try to run the game in windows 3.11
and it worked!

i am happy.

so, this really wasnt a true fix, but more of a work around

Dec 25, 2008 | Microsoft Windows 98 for PC

2 Answers

Regarding boot failure

If you can boot with a Windows 98 floppy boot disk, then do so, you need to run scandisk. It is also possible that your hard drive has failed, you can go into the bios and see if it is being recognized.

Jul 20, 2008 | Microsoft Windows 98 for PC

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