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When I try to install addons or ext I get an error and no installation.

MrBthatsme
MrBthatsme
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Firefox could not install the file at

https://addons.mozilla.org/firefox/downloads/latest/10548/addon-10548-latest.xpi?src=api

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

Firefox could not install the file at https://addons.mozilla.org/firefox/downloads/latest/10548/addon-10548-latest.xpi?src=api because: Unexpected installation error Review the Error Console log for more details. -203

All Replies (1)

the-edmeister
the-edmeister
  • Moderator
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See this.
http://kb.mozillazine.org/Unable_to_install_themes_or_extensions_-_Firefox#Unexpected_installation_error_-203