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  • Last reply by cor-el

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when i start browser or open a new tab, the screen resolution is reset to 800x600, before that it was set at 1680x1050 and i need to change it back in pc settings i use Firefox ESR 52.9.0

when i start browser or open a new tab, the screen resolution is reset to 800x600, before that it was set at 1680x1050 and i need to change it back in pc settings i use Firefox ESR 52.9.0

Chosen solution

Your user agent shows that you run Firefox in compatibility mode for Windows 98 (NT 4.10).

  • Mozilla/5.0 (Windows NT 4.10; rv:52.0) Gecko/20100101 Firefox/52.0

Check that you do not run Firefox in compatibility mode. You can open the Properties of the Firefox desktop shortcut via the right-click context menu and check the "Compatibility" tab. Make sure that all items are deselected in the "Compatibility" tab of the Properties window.

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Chosen Solution

Your user agent shows that you run Firefox in compatibility mode for Windows 98 (NT 4.10).

  • Mozilla/5.0 (Windows NT 4.10; rv:52.0) Gecko/20100101 Firefox/52.0

Check that you do not run Firefox in compatibility mode. You can open the Properties of the Firefox desktop shortcut via the right-click context menu and check the "Compatibility" tab. Make sure that all items are deselected in the "Compatibility" tab of the Properties window.