Try disabling your Antivirus utility and any other installed security utility then attempt the install again.
If you have any open programs, close them.
Open Windows Defender Security Center
Click Virus & threat protection
Click Virus & threat protection settings
Scroll down to Controlled folder access
Toggle it off
Also in Windows Defender Security Center
Open App & browser control
Set 'Check apps & files' to off
Still not working?
Open Start
Type: cmd
Right click CMD
Click Run as administrator
At the command prompt, type:
net user administrator/active:yes
Hit Enter
Close command prompt, restart, then try signing into the Administrator account.
Try running the file again.