Possible solution for error 25015 with data error (cyclic redundancy check) during .NET Framework 2.0 setup

by on February 6, 2009

I have heard from a few people who have run into error code 25015 with a data error (cyclic redundancy check) message while trying to install the .NET Framework 2.0, 2.0 SP1 or 2.0 SP2.  This error can also occur during .NET Framework 3.0, 3.5 or 3.5 SP1 setup because all of these versions of the .NET Framework will attempt to install the .NET Framework 2.0 behind the scenes. How to diagnose this error When this error occurs, the following information appears in a dialog box and/or in the verbose MSI log file (named dd_netfx20MSI*.txt for the original release of the .NET Framework 2.0 and dd_net_framework20*.txt for the .NET Framework 2.0 SP1 or SP2): Error 25015.Failed to install assembly ‘C:WINDOWSMicrosoft.NETFrameworkv2.0.50727Microsoft.Visual Basic.dll’ because of system error: Data error (cyclic redundancy check) MSI (s) (A1!B0) [12:34:56:111]: Product: Microsoft .NET Framework 2.0 Service Pack 1 — Error 25015.Failed to install assembly ‘C:WINDOWSMicrosoft.NETFrameworkv2.0.50727Microsoft.Visual Basic.dll’ because of system error: Data error (cyclic redundancy check). Note that the exact file that is listed in these error messages can vary across computers, but typically they will list the same file each time if you re-run setup on the same computer.

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Possible solution for error 25015 with data error (cyclic redundancy check) during .NET Framework 2.0 setup

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