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Mozilla Thunderbird asked to install update - I said yes - now I can't open any folders, open addressbook or the options in tools,etc - have tried all support s

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When Mozilla started installing update message 'part update failed - installing full update'. No further message - installation complete. Since then get the read/write/settings etc big screen but can't open any folders or any of the options on the screen - e.g. tools, address book. Emails still arriving 14 now* , but can't open. Followed support suggestion - i.e. try to remove Lightning/calendar addon - but couldn't get addons (i.e tools options won't open) or start Thunderbird in safe mode - so went to next suggestion - reinstall Thunderbird. This installed Thunderbird 38.6.0 and said it was in 'ProgramFiles (x86) Mozilla Thunderbird'. Opening Thunderbird gives me same screen with read/write/settings but nothing opens.

  • Just received email - with the italic/light text summary asking me to confirm query - but of course I can't open it to read or reply.

Please help -getting desperate.

When Mozilla started installing update message 'part update failed - installing full update'. No further message - installation complete. Since then get the read/write/settings etc big screen but can't open any folders or any of the options on the screen - e.g. tools, address book. Emails still arriving 14 now* , but can't open. Followed support suggestion - i.e. try to remove Lightning/calendar addon - but couldn't get addons (i.e tools options won't open) or start Thunderbird in safe mode - so went to next suggestion - reinstall Thunderbird. This installed Thunderbird 38.6.0 and said it was in 'ProgramFiles (x86) Mozilla Thunderbird'. Opening Thunderbird gives me same screen with read/write/settings but nothing opens. *Just received email - with the italic/light text summary asking me to confirm query - but of course I can't open it to read or reply. Please help -getting desperate.

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To diagnose problems with Thunderbird, try the following:

  • Restart Thunderbird with add-ons disabled (Thunderbird Safe Mode). On the Help menu, click on "Restart with Add-ons Disabled". If Thunderbird works like normal, there is an Add-on or Theme interfering with normal operations. You will need to re-enable add-ons one at a time until you locate the offender.
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Valgt løsning

To diagnose problems with Thunderbird, try the following:

  • Restart Thunderbird with add-ons disabled (Thunderbird Safe Mode). On the Help menu, click on "Restart with Add-ons Disabled". If Thunderbird works like normal, there is an Add-on or Theme interfering with normal operations. You will need to re-enable add-ons one at a time until you locate the offender.