Problem in installing photoshop, pls HELP~~

[pp15]

When I start to install Adobe Photoshop CS, there is a window appear "The software to be installed requires Administor or higher level access privileges" But I am already the administor of the computer. What's going on?? How to solve it??? Pls help me~~~

 

[gauchogolfer]

Does it ask you for an administrator password? What OS version are you running?