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flickering in thunderbird 31.0

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  • Last reply by kikstart

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hi there, since upgrading to 31.0 thunderbird keeps flickering, i'm running windows 7. Can someone advise what may be the cause as previous versions were completely fine.


Timestamp: 23/08/2014 12:13:19 Warning: mutating the Prototype of an object will cause your code to run very slowly; instead create the object with the correct initial Prototype value using Object.create Source File: resource://gre/components/steelApplication.js Line: 783


Timestamp: 23/08/2014 12:13:26 Warning: Unknown property '-moz-border-radius'. Declaration dropped. Source File: https://www.mozilla.org/en-GB/thunderbird/release/start/?uri=/thunderbird/start/&locale=en-GB&version=31.0&os=WINNT&buildid=20140717165725 Line: 136, Column: 25 Source Code:

      -moz-border-radius: 5px;



Timestamp: 23/08/2014 12:13:26 Warning: Unknown property '-moz-border-radius'. Declaration dropped. Source File: https://www.mozilla.org/en-GB/thunderbird/release/start/?uri=/thunderbird/start/&locale=en-GB&version=31.0&os=WINNT&buildid=20140717165725 Line: 169, Column: 25 Source Code:

      -moz-border-radius: 5px 5px 0 0;
hi there, since upgrading to 31.0 thunderbird keeps flickering, i'm running windows 7. Can someone advise what may be the cause as previous versions were completely fine. Timestamp: 23/08/2014 12:13:19 Warning: mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create Source File: resource://gre/components/steelApplication.js Line: 783 Timestamp: 23/08/2014 12:13:26 Warning: Unknown property '-moz-border-radius'. Declaration dropped. Source File: https://www.mozilla.org/en-GB/thunderbird/release/start/?uri=/thunderbird/start/&locale=en-GB&version=31.0&os=WINNT&buildid=20140717165725 Line: 136, Column: 25 Source Code: -moz-border-radius: 5px; Timestamp: 23/08/2014 12:13:26 Warning: Unknown property '-moz-border-radius'. Declaration dropped. Source File: https://www.mozilla.org/en-GB/thunderbird/release/start/?uri=/thunderbird/start/&locale=en-GB&version=31.0&os=WINNT&buildid=20140717165725 Line: 169, Column: 25 Source Code: -moz-border-radius: 5px 5px 0 0;

Chosen solution

most likely your video adapter or driver does not support Thunderbird's hardware acceleration. It was turned off by default in about Version8, but check to be sure. use the config editor to check these preferences

layers.acceleration.disabled= true gfx.direct2d.disabled= true.

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Seçilmiş Həll

most likely your video adapter or driver does not support Thunderbird's hardware acceleration. It was turned off by default in about Version8, but check to be sure. use the config editor to check these preferences

layers.acceleration.disabled= true gfx.direct2d.disabled= true.

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thank you so much that has fixed my issue :)