Windows Protection Error in NDIS with a CPU That Is Faster Than 2.1 GHz
View products that this article applies to.
This article was previously published under Q312108
When you are installing Windows 95 or Windows 98 on a computer that has a CPU that runs at 2.2 gigahertz (GHz) or faster, you may receive the following error message:
While initializing device NDIS: Windows protection error
The timing calibration code in the Network Driver Interface Specification (NDIS) driver causes a divide by zero if the CPU runs at 2.2 GHz or faster. This problem does not occur with CPUs that run at 2.1 GHz or slower.
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem.
To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.
The English version of this fix should have the following file attributes or later: Date Time Version Size File name
28-Nov-2001 11:05 18.104.22.1680 157,909 Ndis.vxd
Microsoft has no plans to make an update available for this problem for Windows 95 because Windows 95 is in the "non-supported" phase of the product lifecycle. Additional information about product lifecycles is available at the following Microsoft Web site:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
For additional information about Windows 98 and Windows 98 Second Edition hotfixes, click the article number below to view the article in the Microsoft Knowledge Base:
206071 General Information About Windows 98 and Windows 98 Second Edition Hotfixes