Always run the game's installer and the final pes2013.exe as an Administrator to ensure the game has permission to read the registry keys you've created.
This often occurs when the registry points to the wrong installation path. Verify the installdir value in your .reg file matches your current folder.
If you have moved your game folder or reinstalled Windows, you can manually create a new registry entry using Notepad. and paste the following code:
Double-click the saved file and click "Yes" to merge it into your Windows registry. Common Fixes for 32-bit Registry Errors