You must have removed or deleted a program. So to remove the above you can follow this to clear it.
To remove follow these step's closely, go to start\find\files or folders type in the box PGSDK.DLL click enter key delete all the entry's it finds with PGSDK.DLL in it. Next go to start run type regedit and press enter, go to menu under edit click find in the box type PGSDK.DLL and press enter it will bring up only one entry at a time, press delete key then click ok to confirm to go to next entry press F3 and delete do this until you get to the end of the registry. DO NOT TOUCH ANYTHING ELSE IN THE REGISTRY other than PGSDK.DLL then reboot your computer PRINT THIS SO YOU CAN FOLLOW IT