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117

answers:

3

When i try to install .Net Framework v3.5, Service Pack 1 on my PC wich have a windows 7 os an error message tels me that there is a compatibility probleme.

How can do to execute this installation???

+1  A: 

Isn't .net v3.5 service pack 1 already on there? If not, try adding it from add/remove windows features.

klausbyskov
A: 

According to this Microsoft download page, Windows 7 does not appear to be supported:

Supported Operating Systems: Windows Server 2003; Windows Server 2008; Windows Vista; Windows XP

DOK
+4  A: 

.Net 3.5SP1 is installed as a part of the base Windows 7 operating system. This particular update is meant for OS's which don't come with .Net 3.5SP1 as a part of the base install hence you get an error when running on Windows 7.

JaredPar