All Products Support Forum

There is an email app provided by xiaomi on my phone.What in the email sent by this app contains a special format of `Date` fields.It looks like that: `Date: Thu, 2 May 2024 05:55:12 UTC` It doesn't look like others' `Date: Thu, 2 May 2024 06:05:15 +0000` or `Date: Thu, 2 May 2024 10:35:14 +0800 (CST)`

but it is still conforming to standards (or is it only parsable by the JavaScript Date method?)

After I modified windows time zone and restarted thunderbird. all emails changed time so this is not a time zone problem.

But this email shown two different times in the preview and detailed pages at this moment.

So can anyone tell me if this is a bug? Thank you.

Hi, after upgrading the programs to version 115.10.1 after restarting, all folders in the folder panel disappeared. I still have all accounts visible in the account settings. I attach a screenshot.

I follow someone instructions: Menu icon > Help > More Troubleshooting Information Under 'Application Basics' - Profile Folder - click on 'Open Folder' A new window opens showing contents of your 'profile name' folder Exit Thunderbird now - this is important Scroll down - delete all of the following files.

   folderCache.json
   folderTree.json
   session.json
   xulstore.json 

Start Thunderbird With no results. Thank you for any help.

I am unable to copy text and paste from body of email in Thunderbird. I was able to in past versions. When I right click after highlighting text all options appear but does NOT allow to copy anything.

When I start T'bird in normal mode, I get what you see in picture #1. Notice the custom menu bar at the top. I can still receive emails into the Inbox (but can't see or access them), and I can write an email, access the Address Book, Calendar, etc.

When I then start in Safe mode, with Shift key down, I get what you see in Picture #2. Notice that the custom menu bar at the top is gone. I have to recreate it every time I shut down and restart T'bird. That is unacceptable.

Please advise what I should do to correct this situation. If I can't, then I'm through with Thunderbird (after some 15+ years).

Many thanks, Robert Hawkins

I remember when you could select a range of messages and delete the lot quickly. This is how I maintain my email. For a while now, and still, it takes a bit to sort messages, normally for me sort is by "Correspondent". Then when I select a range and hit delete, I may as well go do something else. Thunderbird goes unresponsive for the long duration. It is a major problem.

I am still using Win10 Pro, system disk is an SSD (1 TB) and the data disk is a normal HD (4 TB). 16 GB RAM, a Lenovo tower. It is not running out of memory, the drive isn't over utilized either. A 15 message delete is slow, try over 100 messages!

All other programs run fine, it is used in electronics design mostly. This issue popped up a while ago and I kept hoping it would be fixed. It hasn't yet. The OS is kept up to date, no other changes. I do compact folders regularly, so indexes should be optimized.

So I have an Excel workbook in my onedrive from MS, It was working fine on my firefox browser in my Ubuntu OS, last week it started to delete my cell's information whenever I pressed the enter, tab or arrow keys, I contacted the MS support and they get me to opened the same file on a chrome browser and worked fine... I still want to use my firefox browser but this problem is very annoying, please help me sort it out!!!

Firefox Browser 125.0.3, Flatpak Every few minutes, the mouse locks up on Ubuntu 23.10 and it only happens with I have Firefox open. I have have no extension, and history is turned off I have lived with this for months on multiple updates hoping for someone working on Firefox would figure out the issue and fix it.

This issue never happens to me on my windows PCs.

Any solutions? thanks Richard

My Local Folders has become corrupted after restoring from a backup. I can't delete or move subfolders, and can only delete messages by holding down the shift key. Is there a way of repairing this? Thanks.

Several days ago, my comcast email said it couldn't connect, and after trying a couple other things, I removed the account and tried to add it back on. When I try to add it as an IMAP account, it pulls up a window that loads for a minute then says "Unable to connect. An error occurred during a connection to localhost." On the thunderbird window where I entered my password, it says "Unable to log in at server. Probably wrong configuration, username, or password." I logged in on a browser, so I know the username and password are correct. I tried adding it as a POP account, and that worked fine, but I need it as IMAP.

Opened a directory of pdfs from the command line using ```firefox * &``` and went on with my work. Checked the terminal to see these error messages: ``` [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e75431700 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e79a87a00 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e84e52400 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 ``` I tried recreating this error by restarting the entire process and repeating everything, but to no avail. I'll try to recreate the error a few more times, however if I don't post a message it means I was unsuccessful.

Details: Mozilla Firefox 125.0.2

CPU: Architecture: x86_64

 CPU op-mode(s):         32-bit, 64-bit
 Address sizes:          39 bits physical, 48 bits virtual
 Byte Order:             Little Endian

CPU(s): 8

 On-line CPU(s) list:    0-7

Vendor ID: GenuineIntel

 Model name:             Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz
   CPU family:           6
   Model:                142
   Thread(s) per core:   2
   Core(s) per socket:   4
   Socket(s):            1
   Stepping:             10
   CPU(s) scaling MHz:   22%
   CPU max MHz:          3600.0000
   CPU min MHz:          400.0000
   BogoMIPS:             3799.90
   Flags:                fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
                          mca cmov pat pse36 clflush dts acpi mmx fxsr sse ss
                         e2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constan
                         t_tsc art arch_perfmon pebs bts rep_good nopl xtopol
                         ogy nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes6
                         4 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16
                          xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt ts
                         c_deadline_timer aes xsave avx f16c rdrand lahf_lm a
                         bm 3dnowprefetch cpuid_fault epb pti ssbd ibrs ibpb 
                         stibp tpr_shadow flexpriority ept vpid ept_ad fsgsba
                         se tsc_adjust sgx bmi1 avx2 smep bmi2 erms invpcid m
                         px rdseed adx smap clflushopt intel_pt xsaveopt xsav
                         ec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_no
                         tify hwp_act_window hwp_epp vnmi md_clear flush_l1d 
                         arch_capabilities

Virtualization features:

 Virtualization:         VT-x

Caches (sum of all):

 L1d:                    128 KiB (4 instances)
 L1i:                    128 KiB (4 instances)
 L2:                     1 MiB (4 instances)
 L3:                     6 MiB (1 instance)

NUMA:

 NUMA node(s):           1
 NUMA node0 CPU(s):      0-7

Vulnerabilities:

 Gather data sampling:   Mitigation; Microcode
 Itlb multihit:          KVM: Mitigation: VMX disabled
 L1tf:                   Mitigation; PTE Inversion; VMX conditional cache flu
                         shes, SMT vulnerable
 Mds:                    Mitigation; Clear CPU buffers; SMT vulnerable
 Meltdown:               Mitigation; PTI
 Mmio stale data:        Mitigation; Clear CPU buffers; SMT vulnerable
 Reg file data sampling: Not affected
 Retbleed:               Mitigation; IBRS
 Spec rstack overflow:   Not affected
 Spec store bypass:      Mitigation; Speculative Store Bypass disabled via pr
                         ctl
 Spectre v1:             Mitigation; usercopy/swapgs barriers and __user poin
                         ter sanitization
 Spectre v2:             Mitigation; IBRS; IBPB conditional; STIBP conditiona
                         l; RSB filling; PBRSB-eIBRS Not affected; BHI Not af
                         fected
 Srbds:                  Mitigation; Microcode
 Tsx async abort:        Mitigation; TSX disabled

Hi, I have Windows 11, Intel processor, 64 Gb RAM, TBytes of SD storage. Lately I have been experiencing issues displaying email with attachments. It is intermittent, but occurs when I display an email with one or more attachments such as PDFs. I have a preview window open to the right of my mail list. If I click on the item in the list I see a properly formatted email in the preview window .. for a few seconds. Without me touching anything, the mail converts to HTML and the attachment is gone. Redisplaying the item goes right to HTML. Further, the HTML has nothing to do with the original message. If I go to my mail server the original item might still be there, but it might be gone. I have not seen a pattern to determine why some are gone. I need to solve this. I don't see this problem described in previous posts.

Attachments: tbird_before.jpg - preview email with attachment (personal data obscured) a few seconds later it switches to tbird_after.jpg and I cannot get the email back.

Kenneth Kornblum

What strategies or technologies has the Firefox platform implemented to ensure efficient memory management and minimize resource consumption, particularly in handling large-scale web applications and multimedia content?

I have used Firefox for many, many years and have always loved it. Recently, it stopped loading some websites. I have read and tried everything I have read and still can't fix the problem. I have to switch to Edge to load the sites. I am tearing my hair out trying to get this fixed, but I will have to use other browsers if this doesn't get cleared up. Some sites load and most don't, but there is no rhyme nor reason to what it loads and what it doesn't. I do not have a great deal of tech know-how and cannot seem to fix this according to my research. I get no "error" messages except that the page can't load. Please help. I would hate to have to learn another browser.

My TB repeatedly downloading all the emails in my Inbox, it is slowing down TB and can't access and reply to current email due to it. Is there any solution to it without losing my data?

Apparently the latest Thunderbird update is causing our Windows 11 print spooler to stop. I've seen this problem talked about elsewhere but have not seen a solution. The spooler has to be restarted, otherwise no app/program will print, since only Print to PDF is then available. This is making Thunderbird almost useless to us. Help.

I see my original question is now archived at https://support.mozilla.org/en-US/questions/1380948#question-reply I never closed it because I didn't know if my last process could really fix the issue. It didn't, not always. Over the years, there have been times when the issue would still pop up, but not as often as before (2022 and earlier).

I have a feeling that during an issue, FF is having difficulty setting up shop after starting up. Consequently, it is spending more time before it could become prepared to connect to the Net. I've come up with another "solution," which is deleting (or moving out) xulstore.json in the profile folder after exiting or before starting FF. You can create a batch command or script to execute the process.

So far, FF is connecting immediately after startup.

Device: Surface Pro X SQ2 OS: Windows 11 Home for ARM (Up-to-date at time of writing) Firefox Version: 125.0.3 (AArch64 up-to-date at time of writing)

I am having an issue with Firefox and video playback, specifically on YouTube. When I play a video in default view mode, the playback is super choppy / low frame rate. When I change to theatre view or full screen, playback works perfectly.

I've tried incognito windows and troubleshooting mode with no improvement.

Microsoft Edge works fine.

Not sure where to go from here.

I have tried all fixes suggested by others reporting similar problems with previous versions, but this was noticeable for me yesterday afternoon right after some downtime and the latest version (for me) of Firefox was installed. Every time I try to use a site requiring recaptcha, the wheel spins and I get no choice to log in. I've cleared cookies and my cache, refreshed Firefox, etc. Nothing works.