setup error when installing .net framework 2.0 sp1

.net framework 3.5 SP1 installation problems on Windows 7 x64.
Problem installing.net 2.0 v86 on 32bit XP - MSDN - Microsoft.
Feb 16, 2010. Hello: When I tried to install 3.5 SP1 here on my Vista SP1 laptop, I got errors.. NET Framework 2.0SP1 (CBS): [2] Error: Installation failed.
.NET FrameWork 3.5 SP1 Won't Install - MSDN - Microsoft.
Vista -.Net Framework 3.5 Service Pack 1 wont install - Microsoft.
i have problem to install.net framwork 3.5 or.net framwork 3 or 2. the error: you must use "turn windows features on or off" in the control panel to install or configure microsoft.net. NET Framework 3.5 SP1 is not present.

Installing Microsoft.NET Framework 2.0 SP1 (using XP Pro SP3.

Mailbag: How to install the.NET Framework 2.0 SP1 and 3.0 SP1 on.