Restoring file security permissions in Windows 7

1)Login in administrator account and Right click on file you want to set
2) Go in properties then security
3) Click advanced or edit. To take ownership, you have to go in advanced menu or add user in edit menu
4) To add trusted installer, go in edit then add, click locations and select Computer name
5)In enter object name option, type:  nt service \trustedinstaller and click ok
6) then apply ok
7)you can verify permission from another computer with same as and in same file & set accordingly
8) Thanks

How to uninstall internet explorer 11 from Microsoft Windows 7

1)go to control panel
2)click on view installed updates
3)In search box, type internet
4) Right click on IE11 and uninstall
5)For reinstallation, download setup from MS download center
6) Thanks