VS2010 Beta 2 Problem on a Win7 MacBook

30 November 2009

I wasted far too much time trying to install Visual Studio 2010 Beta 2 on my MacBook this morning.

The installation just kept failing with this error message.

Microsoft .NET Framework 4 Beta 2:
Error code 5 for this component means "Access is denied.
Microsoft .NET Framework 4 Beta 2: 
Component Microsoft .NET Framework 4 Beta 2 returned an unexpected value.
Microsoft .NET Framework 4 Beta 2: 
Return from system messaging: Access is denied.
VS70pgui:
DepCheck indicates Microsoft .NET Framework 4 Beta 2 is not installed.

I tried to install the Framework separately and it failed too, suggesting that it couldn’t extract its files!

Anyway, to cut a long story short, it seems there is a problem with .NET Framework 4 Beta 2 that tries to write to the Mac OS X partition. Removing that drive letter fixes the problem.

Thanks to Kevin McNeish.