MySQL installation error. Netframeword installation failed

NET Framework is required to install the MySQL database, but after trying several versions of the NET Framework, it cannot be successfully installed

All of them are saying “installation failed”.

The resolution scheme is as follows:
Method one:
Select the.NET Framework installation file, right-click and select Administrator Permission to Execute. If this is not successful, continue to try the following method
Method 2:
1. Start – run – type “regedit” and open registry editor when you confirm.
2, find the HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ SQMClient \ Windows \ DisabledSessions, you can delete the item, and then restart.
If it still doesn’t work, please look at method 3
Method 3:
1. Click “Start” and enter: CMD in the search box. In the search results, right-click on “CMD” and select “run as administrator”.
2, enter the following and press enter: reg in registry key HKLM \ SOFTWARE \ Microsoft \ delete SQMClient \ Windows \ DisabledSessions/va/f, also can make this statement a. Bat batch file, then right-click can be run as an administrator.
3, restart Windows 7 system after the operation, can activate Windows 7 TrustedInstalle permissions, again under the Windows 7 installation software “unable to access the Windows Installer service” will not happen again
If that doesn’t work, look at method four
Method 4:
Right-click on My Computer — Administration — Services and Applications — Services — go to Windows Installer and enable it as Auto

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