Review for StartupMaster by sms169
Rated 5 out of 5 stars
How do I fix this ?? I really want this add-on.
Firefox could not install the file at
https://addons.mozilla.org/en-US/firefox/downloads/file/42059/startupmaster-1.0-fx+tb.xpi
because: Invalid file hash (possible download corruption)
-261
To create your own collections, you must have a Mozilla Add-ons account.