Ho installato il componente "Update Manager" ho seguito i passaggi...
Step 1
You are currently running 1.5.15. The latest release is currently 1.5.23. Please select a download:
Full Package (4.71MB)
Patch Package (0.92MB)= ho cliccato su Patch Package =
Step 2
The file 'Joomla_1.5.15_to_1.5.23-Stable-Patch_Package.tar.gz' has been downloaded from http://joomlacode.org/gf/download/frsrelease/14505/63406/Joomla_1.5.15_to_1.5.23-Stable-Patch_Package.tar.gz.
If you are certain you want to use this method, you can proceed with the install >>>=ho cliccato sul secondo=
ed ecco l'errore
UNABLE TO WRITE ENTRY
FAILED TO EXTRACT ARCHIVEcosa devo fare?

grazie
elena.