Check these Registry keys for entries with paths that contain spaces,
but have no quotes.
To open the Registry Editor, open the Run box and enter: regedit
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
Example:
C:\Program Files\program path\app.exe /switch
Change to:
"C:\Program Files\program path\app.exe" /switch
ju.c