Hi, Does this happen when another screensaver is set? You may want to check this behavior with a bui

Hi,

Does this happen when another screensaver is set? You may want to check this behavior with a built-in screensaver that came with the OS.

If it doesn't repeat with another OS screensaver you can report the problem here.

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Useful links:

All about Tools > Options

Going beyond Tools > Options - about:config

about:config Entries

What's That Preference? add-on - Quickly decode about:config entries - After installation, go inside about:config, right-click any preference, enable (tick) MozillaZine Results to Panel and again right-click a pref and choose MozillaZine Reference to begin with.

Keyboard Shortcuts

Viewing video in Firefox without a plugin

Firefox Profile Folder & Files

Safe Mode

Basic Troubleshooting

Problematic Extensions

Troubleshooting Extensions and Themes

Testing Plugins

Troubleshooting Plugins