We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

Pomoc pśepytaś

Glědajśo se wobšudy pomocy. Njenapominajomy was nigda, telefonowy numer zawołaś, SMS pósłaś abo wósobinske informacije pśeraźiś. Pšosym dajśo suspektnu aktiwitu z pomocu nastajenja „Znjewužywanje k wěsći daś“ k wěsći.

Dalšne informacije

When I try to add a theme to my Mozilla Firefox, Java says "invalid or corrupt jarfile", what is that?

  • 1 wótegrono
  • 33 ma toś ten problem
  • 2 naglěda
  • Slědne wótegrono wót cor-el

more options

First, I go to Mozilla's website, then I click on "Add-ons" and then I go to "themes". When I choose my theme, I click on "continue to download", which leads to a page with the User-license agreement, I click "accept and download", it starts to download, but then a pop-up from Java says "Invalid or corrupt file". Can you tell me what that means? And how do I fix it?

First, I go to Mozilla's website, then I click on "Add-ons" and then I go to "themes". When I choose my theme, I click on "continue to download", which leads to a page with the User-license agreement, I click "accept and download", it starts to download, but then a pop-up from Java says "Invalid or corrupt file". Can you tell me what that means? And how do I fix it?

Wšykne wótegrona (1)

more options

You can't install a theme that way. If you do not want to install the them directly from the Add-ons website then drag the .jar file in the left pane of the Theme Manager (Tools > Add-ons > Themes) to install the theme. If you double-click the downloaded themes .jar file then you get that error, so do not do that.

See also http://kb.mozillazine.org/Themes