Problems installing Firebug

[Ales]

Hi,
when i want to install firebug on Firefox V 3.5.5 english i get ERROR:
Firefox could not install the file at LINK TO FIREBUG ADDON

becouse: Unexpected installation error
Review the Error Console log for more details.
-203

Can anyone please help me?

[John J Barton]

All I can suggest is to start completely over with a new Firefox
profile:
http://getfirebug.com/wiki/index.php/FAQ

jjb