Windows XP
1. Insert your Windows install CD.
2. Open the Control Panel from the Start Menu.

3. Double-click 'Add or remove programs' then 'Add/remove Windows components.'
4. Click the words 'Accessories and utilities' and then 'Details.'
5. Click the word 'Games,' then click the box next to the words 'Spider Solitaire' so as to clear the box. Click 'OK' then 'OK' then 'Next.'
6. Restart your computer.
7. Reopen the Control Panel and return to the 'Accessories and utilities' section by repeating Steps 2 to 4.
8. Click the word 'Games,' then place a check in the box next to the words 'Spider Solitaire.' Click 'OK' then 'OK' then 'Next.' Spider Solitaire will be reinstalled in working order.
Windows Vista or Seven
9. Click 'Start' to open the Windows Start Menu.
10. Type 'appwiz.cpl' into the 'Search' box at the bottom of the menu. Press 'Enter.'
11. Click 'Turn windows feature ON or OFF' on the left side of the window.
12. Click the word 'Games' then uncheck the box next to the words 'Spider Solitaire.' Click 'OK.'
13. Restart your computer.
14. Reopen the Start Menu and again type 'appwiz.cpl' into the 'Search' box, then press 'Enter.' Again click 'Turn windows feature ON or OFF.'
15. Click the word 'Games' then place a check next to the words 'Spider Solitaire.' Click 'OK' to reinstall a working version of Spider Solitaire.