In run command box, type: services.msc and press Enter.ģ. Simultaneously press the Windows + R keys to open run command box.Ģ. Set the Windows Modules Installer Service to Auto.ġ. Method 3: Fix Windows Update with System Update Readiness Tool. Use System File Checker to repair damaged Windows files. Set the Windows Modules Installer Service to Auto. How to fix Empty Windows Features List issue on Windows 7 or Vista Method 1. This tutorial contains instructions to resolve the 'Turn Windows features on or off' blank list issue on Windows 7 or Vista OS. In some cases the 'Turn Windows features on or off' box is displayed blank and the user has no option to enable or disable the optional Windows services or components. The 'Windows features' list contains some optional Windows services that may be useful for the single user like the 'Games', the 'Windows Media Player' or the 'Internet Explorer' and some other services that may be useful to more advanced users like the 'Internet Information Services' (IIS), the 'Telnet Server', the 'Telnet Client', etc. Problem description: The list of features on the 'Turn Windows features on or off' list box are not displayed (Features items box is bank) on a Windows 7 or Windows Vista based computer.