On the PC, delete the Thunderbird folder in this location if it exists (while TB is closed): C:UsersAppDataRoaming AppData is hidden by default; enable Hidden Items on the View tab of File Explorer. Paste the Thunderbird folder in the Roaming folder. Open the profile folder.RoamingThunderbirdProfiles.default. Mozilla puts people before profit, creating products, technologies and programs that make the internet healthier for everyone. Learn more about us. Our community participation guidelines. We put people first and do our best to recognize, appreciate and respect the diversity of our global contributors. Cannot Delete Messages. Users often find it difficult to delete messages in Thunderbird.
HelloCould someone please advise/reassure me on moving my Thunderbird 68.2.1 installation from Mac 10.11 to Windows 10?I have watched this video https://support.mozilla.org/en-US/kb/moving-thunderbird-data-to-a-new-computer and identified my profile folder on the Mac, which is at username > Library > Thunderbird > Profiles > xxxxxxx.default - I assume that's the one.Firstly the video, which is more about moving between PCs, talks about cloud storage and external drives, but presumably I can just copy the 35 gig folder across my network to somewhere a new installation of Thunderbird will find and use it? This would probably make more sense for me given its size and the two systems.The video suggests I would copy the profile folder within the 'Roaming' folder on the PC which would presumably be created when I install TB, I think replacing a default installation Profile folder - is that all I need to do? Or have I misunderstood?I installed a couple of extensions on TB on the Mac - Enigmail and Send Later (although under Troubleshooting it lists various others I didn't know about like dictionaries etc); what happens about these?Thank you so much for any pointers!
Before going in depth of the Error Mozilla Thunderbird Freezes, let’s first analyze a user’s simple query and try to get him a proper solution when Thunderbird running very slow:
“Hello Folks! I have been using Thunderbird since 3 years on my MAC Operating System. From past one week, I have noticed that my laptop’s battery life is getting horrible while running it. I never delete anything from my mail folders. While working on my system, I came across a Mozilla Thunderbird bug 794401. This bug stands for Thunderbird Freezes or Thunderbird running extremely slow, making use of 100% CPU while loading the folders or message headers. I am really shocked as Thunderbird never disguised me like this. I want proper help. Is there anyone who can help me out to stop error Mozilla Thunderbird Freezes? All leads shall be highly appreciated and reverted. Thanks in Advance!”
Mozilla Thunderbird For Macbook Pro
“I prefer Windows OS over Mac Operating System. Last week, one of my friends suggested me Mozilla Thunderbird as it has a brilliant interface. So, I immediately downloaded Thunderbird in my system. Now, from past few days an error Thunderbird running extremely slow has occurred in the system. I burned my midnight oil and kept on doing my R&D and implemented many solutions. But, none of them was of any use and did not solve the Thunderbird bug 794401. Even it corrupted my MBOX files present in mailbox. I am very much tensed and need a proper solution. Every lead is important. Please Help!”
So, there are two parameters which can resolve the Error Thunderbird Extremely Slow and making use of 100% CPU while loading mailboxes. Both the manual way and recommended solution will help you out in solving the problem when your Mozilla Thunderbird Freezes & Thunderbird running extremely slow.
Manual Solution for Mac Operating System
1. From Edit Menu, opt for Preferences and in later editions, it is Options
2. Click Advance Tab present on Top and afterwards Config Editor
Note: A warning dialog box pops-up which can be ignored safely.
3. Open Configuration Editor and type Idle in the search box and search for mail.db.idle_limit
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Ad tools for mac. As per bug records, the correct value of the mail.db.idle_limit is 30000000. Search for the number of zeros that you have 300000 only in stock, then it is causing Mozilla Thunderbird Freezes Thunderbird Error 794401.
Note: No need to Restart Mozilla Thunderbird for activating the change. It does not provides immediate improvement in usage of CPU .
Know the Reason Behind the Working of this Method
As per records, Mozilla Thunderbird closes database after every 5 minutes due to Inactivity. Re-opening the database is dam expensive in case we have large mailboxes.
If we try to open the database forcefully, corruption occurs in the system because Mozilla Thunderbird Freezes and Hammering CPU Performance.
Demerits of Manual Approach
Though it seems quite easy and interesting to resolve any error manually, in actual it is very difficult. In case any step implemented in the wrong method, it can lead to corruption in MBOX files. Despite the method benedicts users with pocket friendliness but it can even lead to numerous problems like sudden CPU freezing due to thunderbird running extremely slow, corruption in MBOX files etc. So, the proper alternative to overcome this problem is SysTools Mac MBOX Converter Wizard.
Best Solution to Resolve Thunderbird Errors
The users seem reckless buying a product, but if you will toggle more about this product you will come across more wonderful features among which few have been mentioned below:
1. Retains the email structure after converting the emails
2. Allows to Transfer data file from Thunderbird in batch in a single go
3. Holds the Inline Images and HTML formatting of email body
4. Compatible with all the Mac Operating System Versions
5. Offers with naming convention and email filtration option
6. Restores all the Corrupted MBOX Files with an ease
And if we see the other side of the problem there is no manual solution to resolve Thunderbird Hammering CPU Error in Windows Arena. So, the users are bound to go for third party software. We have come across numerous tools that claims restoration of Thunderbird MBOX files but do not serve up to users expectations. So, one of the best product that we have used is Windows MBOX File Converter tool.
Mozilla Thunderbird For Mac 2019
The Final Note
The entire write-up narrates the users regarding the topic How to Stop Thunderbird Hammering CPU Error 794401. The content solely declares that it will help users with a complete guide using which the error can be resolved.
Thank you very much for this solution. This was the only one which helped me. Xmeye plugin for mac.
All the best.
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