Error message when you try to install a 2007 Office suite or program: “Error 1321. Setup cannot modify the file“

1. Right-click the folder that you are installing Office 2007 to. (i.e. C:\Program Files\Microsoft Office)

2. Click Properties.

3. Uncheck the Read Only box.

4. Click Advanced.

5. In Advanced Attributes, uncheck the Encrypt contents to secure data box.

6. Click OK, then click OK again.