I just installed .NET Framework 4.5 and restarted the system. It shows installed in control panel but could not find in registry.
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That's because you're looking in the wrong place.
Taken from the article “How to Determine which .NET Framework versions are installed” at Microsoft Docs:
To find the installed .NET Framework versions manually (versions 4.5 and later):
- On the Start menu, choose Run.
- In the Open box, enter regedit.exe.
You must have administrative credentials to run regedit.exe.
In the Registry Editor, open the following subkey:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full
Note that the path to the
Fullsubkey includes the subkey
Net Frameworkrather than
Fullsubkey is not present, then you do not have the .NET Framework 4.5 or later installed.
Check for a DWORD value named
Release. The existence of the
ReleaseDWORD indicates that the .NET Framework 4.5 or newer has been installed on that computer.
The registry entry for the .NET Framework 4.5.
The value of the Release DWORD indicates which version of the .NET Framework is installed.
Value of the Release DWORD: Version 378389 .NET Framework 4.5 378675 .NET Framework 4.5.1 installed with Windows 8.1 or Windows Server 2012 R2 378758 .NET Framework 4.5.1 installed on Windows 8, Windows 7 SP1, or Windows Vista SP2 379893 .NET Framework 4.5.2 On Windows 10 systems: 393295 .NET Framework 4.6 On all other OS versions: 393297 On Windows 10 .NET Framework 4.6.1 November Update systems: 394254 On all other OS versions: 394271 On Windows 10 .NET Framework 4.6.2 Anniversary Update: 394802 On all other OS versions: 394806 On Windows 10 .NET Framework 4.7 Creators Update: 460798 On all other OS versions: 460805 On Windows 10 .NET Framework 4.7.1 Fall Creators Update: 461308 On all other OS versions: 461310
emaillenin is looking in the correct place. The registry key Kryten mentioned does not always exist on Server 2012 R2: "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full"
No explanation from Microsoft why there is a difference. The Release DWORD is not available when the registry key does not have the "NET Framework Setup" path.