Administrator

You either needs to be logged in as Admin, or you can just add the user to the local administrators group.

On "My Computer"; right click and goto manage. Click the "+" symbol next to "Local Users and Groups." Highlight Users in the left window. Select the user in question in the right window and right click. Goto Properties. Click on the member of tab. This tells you what group this individual belongs to. Which in turn should tell you the permissions and rights this person/group has. Highligh the group, i.e. user, and select remove. Then click "Add." The "lookin" box, should have the name of the local machine. If not, change it here. This gives the individual loacal admin rights. Once the correct computer name is in the "lookin box", highlight "Administrator" and click ADD. Make sure that Administrator appears in the lower box. Click "OK". Click "Apply". Click "OK". At this time you should be prompted w/ a message that says "You must log off for changes to take affect". Once you log back in, you should be able to install whatever you want.

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