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Error Message “Windows Protection Error” with Windows 95


While attempting to boot Windows 95, you receive the following message:

While initializing device IOS:
Windows protection error.  You need to restart your computer


This issue is caused by a divide exception in one or more drivers used by Windows 95.


You may need to disable the internal CPU cache in the BIOS and/or obtain a driver update.  If you are using an AMD processor, please refer to the following Microsoft support article:

Difficulties Using AMD K6-2 or Athlon Central Processing Unit

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