Then, you can restore the registry if a problem occurs. For added protection, back up the registry before you modify it. Therefore, make sure that you follow these steps carefully. However, serious problems might occur if you modify the registry incorrectly. Important This section, method, or task contains steps that tell you how to modify the registry. If the screen saver displays pictures from Windows Live Photo Gallery, the SCRNSAVE.EXE registry value in the following registry subkey is "C:\Windows\wlxpgss.scr": If the screen saver displays pictures from Windows Photo Gallery, the SCRNSAVE.EXE registry value in the following registry subkey is "C:\Windows\system32\PhotoScreensaver.scr":
If the screen saver displays pictures from My Pictures, the SCRNSAVE.EXE registry value in the following registry subkey is "C:\Windows\system32\ssmypics.scr": There are invalid shortcuts in the folder or in the subfolder that stores the screen saver pictures. However, the screen saver may stop working if one of the following conditions is true: You create a screen saver for your operating system to display pictures from one of the following locations. Windows Vista Enterprise 64-bit Edition Windows Vista Home Basic 64-bit Edition Windows Vista Home Premium 64-bit Edition Windows Vista Ultimate 64-bit Edition Windows Vista Business Windows Vista Business 64-bit Edition Windows Vista Enterprise Windows Vista Home Basic Windows Vista Home Premium Windows Vista Starter Windows Vista Ultimate Windows 7 Enterprise Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional Windows 7 Starter Windows 7 Ultimate Microsoft Windows XP Home Edition Microsoft Windows XP Professional More.