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Thunderbird Hangs on Opening

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My Thunderbird stops responding for few minutes after starting. It also hangs up during the work. I have been using Thunderbird for last 12 years and had not faced this before. I have a lot of data in thunderbird for last `12 years. I am using a MACBOOK Pro M1 IOS Ventura

My Thunderbird stops responding for few minutes after starting. It also hangs up during the work. I have been using Thunderbird for last 12 years and had not faced this before. I have a lot of data in thunderbird for last `12 years. I am using a MACBOOK Pro M1 IOS Ventura

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Are you still seeing this issue?

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Yes Still having this issue whenever I start Thunderbird it stops responding for atleast 5 minutes. It again stops in between several time with the same duration. I reloaded the app again but it did not solve. I am using Mac OS Ventura 13.3.1 (a). Would appriciate for any assistance on this.