Pablo González L wrote: > Hello, someone here can tell me why by running `tlmgr check all` (today) I get: > > Running check runfiles: > [...] > tlmgr: An error has occurred. See above messages. Exiting. Here I get an even shorted and less helpful message : > C:\TeX\Lambda\bin\win32>tlmgr check all > > tlmgr.pl: sorry, cannot check this on Windows. Philip Taylor