By default the System Administrative Tools is located in the following places in the Registry
1, HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
2, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
If you've changed the location within the Start Menu then you may need to update the registry to point to the new location. The defaults are...
1, C:\Users\[Your User]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Administrative Tools
2, C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Administrative Tools
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