After the last update, my favorites are blacked out when I click the icon.

This also happens when I click on the Menu icon. Images below.
Firefox version 37.0.1
Windows Vista with Service Pack 2

You can try to disable hardware acceleration in Firefox.

  • Tools > Options > advanced > General > Browsing: "use hardware acceleration when available.

You will need to close and restart Firefox after enabling/disabling this setting.

Tags: Firefox

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