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Facts about Windows 7 and .NET Framework 4.x


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1. The only version that you can successfully install at first launch is .NET Framework 4.5.2 - this will work for you, guaranteed!

2. All other .NET Framework 4.x will fail in first attempt. On any next attempt you will have success, but don't hurry to enjoy, you still be unlucky (read at point 5 below).

3. If you want to install all other versions at first launch, you must install manually this certificate first.

4. If you are trying to install certificate from third part apps, for example from Inno Setup, you will be unlucky. (Already tried these two methods)

5. If you have already installed .NET Framework 4.7.2 which officially include all previous versions (4.0–4.7) you are not be able to install SDK (Software Development Kit) for Windows 7. You will get report that you are using Pre-Release of the required .NET Framework 4.0 and you must install at least RTM version. Otherwise you are not able to install all features and they will stay as inactive gray components unchecked without ability to check.

6. If you install .NET Framework 4.0 or .NET Framework 4.5.2 you are able to fully install SDK for Windows 7, it will be recognized now.


In short - do not use any other version .NET Framework 4 except version 4.5.2 for Windows 7 OS. They are not optimized for using on any device, for example on Virtual Machines.



Edited by BTJB
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  • 1 year later...

SOLUTION (tobypass the certificate check):

1) Extract with WinRar the NET Framework offline installer (it will take a while to extract because it's 2+ GB)
2) Run "netfx_Full_x64.msi" OR "netfx_Full_x86.msi" as applicable based on the system architecture
3) A system reboot is required to complete the installation


Tested on Win 7 Ultimate 64 bit ;)


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