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We apologize for the inconvenience. I will assist you in trying to resolve the issue. Start the computer in clean boot  and then try installing the Office suite and verify the result. a. Log on to the computer by using an account that has administrator rights. b. Press the  Windows key  +  R  and type  msconfig.exe  in the Start Search box, and then press  ENTER  to start the System Configuration utility. If you are prompted for an administrator password or for confirmation, type the password or provide confirmation. c. On the  General tab , click the  Selective startup option , and then click to clear the  Load startup items check box. (The Use Original Boot.ini check box is unavailable.) d. On the  Services tab , click to select the  Hide all Microsoft services  check box, and then click  Disable all . Note: This step lets Microsoft services continue to run. These services include Networking, ...