Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

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Problems with installation of Thunderbird and Firefox in Windows 10

FredMcD a répondu
alevizos

When i installed Thunderbird and Firefox at my laptop in Windows 10 they don't run and i receive the following messages: "Thunderbird (Firefox) is already running, but is not responding. The old Thunderbird (Firefox) process must be closed to open a new window."

When i installed Thunderbird and Firefox at my laptop in Windows 10 they don't run and i receive the following messages: "Thunderbird (Firefox) is already running, but is not responding. The old Thunderbird (Firefox) process must be closed to open a new window."
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