Boot.ini tab is missing in MSCONFIG
Windows XP SP2
When we start MSCONFIG.EXE the BOOT.INI tab which usually appears, may be missing
This problem may simply be a file permissions issue. To check this you can verify that by typing C:\Boot.ini in Start, Run dialog. If you get Access Denied or similar error, that explains the problem. Otherwise checkout the registry entries.
Open Regedit and locate the following path
“HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\MSConfig” .In the right-pane, delete the value named Boot.ini (if found).Close Registry Editor and restart the windows explorer.try to open msconfig