If the. NET Framework fails to be installed, You need to manually delete the solution:

Source: Internet
Author: User

. NET Framework installation fails and you need to manually delete the solution:


The following steps remove the. NET Framework after the. NET Framework fails to be installed and allow new installation. In this way, the Beta. NET Framework will not be deleted from the computer. If the Beta. NET Framework is installed, you can remove it by reformatting the hard disk.

Warning improper use of "Registry Editor" can cause serious problems that may require reinstalling the operating system. Microsoft does not guarantee that it can solve problems caused by improper use of the Registry Editor. Use the Registry Editor at your own risk.

IfProgramIf the. NET Framework entry exists, delete the. NET Framework.
Search for the mscoree. dll file and rename the file (if any ). Mscoree. dll should be located in the Windows directory/system32 folder.
Delete the urttemp folder in the Windows directory/system32/
Click Start, click Run, type regedit, and click OK to start Registry Editor ".
Delete the following items:
Hkey_classes_root/installer/products/aa75334bd6a349d45be6344cd4905e84

HKEY_LOCAL_MACHINE/software/Microsoft/. NET Framework

HKEY_LOCAL_MACHINE/software/Microsoft/NET Framework setup

Restart the computer.
On the Start Menu, click Run, type net stop IISADMIN, and click OK to stop the "Internet Information Service" (IIS) Admin service.
Delete the Windows directory/Microsoft. NET folder.
Important: This article contains information about registry modification. Before modifying the registry, you must back up the registry and know how to restore the Registry in case of a problem. Information about how to back up, restore, and edit a Registry

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