Newer versions of Thunderbird have been rendered completely unusable unless I ex... | Hacker News

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		snerbles on April 10, 2023 \| parent \| context \| favorite \| on: Microsoft fixes 5-year-old Defender bug, reducing ... Newer versions of Thunderbird have been rendered completely unusable unless I exclude %userprofile%\AppData\Local\Thunderbird from real-time scans.

Avamander on April 10, 2023 [–]

Thunderbird is atrociously slow even without an AV with any mailbox that isn't tiny. Could it be that yours has just grown over the years and Defender amplifies it?

snerbles on April 10, 2023 | [–]

It went from ~20 seconds of freezing on every server request to no freezing at all after adding the exception. That's quite the amplification.

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