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after upgrading i am getting glitches and slow response in some games that i play

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  • Paskiausią atsakymą parašė Xircal

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after upgrading to 4.0 i get a slow response in game play such as zuma blitz

after upgrading to 4.0 i get a slow response in game play such as zuma blitz

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Try running Firefox in Diagnose Firefox issues using Troubleshoot Mode. If it works correctly in that configuration, then one of your add-ons is the culprit.