Windows Vista or 7
Click "Start" to open the Windows Start Menu.
Type "appwiz.cpl" into the "Search" box at the bottom of the menu. Press "Enter."
Click "Turn windows feature ON or OFF" on the left side of the window.
Click the word "Games" then uncheck the box next to the words "Spider Solitaire." Click "OK."
Restart your computer.
Reopen the Start Menu and again type "appwiz.cpl" into the "Search" box, then press "Enter." Again click "Turn windows feature ON or OFF."
Click the word "Games" then place a check next to the words "Spider Solitaire." Click "OK" to reinstall a working version of Spider Solitaire.