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After Future Education is installed on the computer, it always shows that NET Framework3.5 cannot be installed as soon as it is opened. How to solve this problem?
Hello, according to the situation you described, it is speculated that insufficient authority leads to the inability to write files and other versions normally. Net has been installed in the system. You can try the following methods:

1: Restart the computer and right-click as an administrator to run. Net installer.

2: Get the system super administrator privileges, and then run the installation as an administrator.

3. Enable this function in the control panel application with the following functions:

1) enter the control panel, press the windows logo key +R, enter control or click the start icon to select the control panel.

2) Click on the program

3) Click Enable windows feature.

4) Wait for the system to change the program.

If you are connected to the Internet, windows will automatically install the update. Click after Net3.5.