What type of MAC do you have - is it running an ARM chip or an Intel chip as you have installed the ARM version.
I am running v5.12 on MACos 15.5. I run the ARM version as my MAC has an M1 chip. I don’t see the problems you are reporting? Pete > On 5 Aug 2025, at 05:19, R Losey <[email protected]> wrote: > > That's why I suggested shutting down GnuCash and then renaming the files > before starting it. > > > On Mon, Aug 4, 2025 at 10:38 PM [email protected] <[email protected]> > wrote: > >> R, >> >> Your instructions are thorough, but do not make clear that on Macs, >> GnuCash always opens the last file it had open--even if you double click a >> different GnuCash file in Finder. Or at least, that's always how it used to >> work. And if the file is corrupt, then OP will have a difficult time >> opening GnuCash up to find an earlier good file. That's why I suggested >> opening GnuCash without a file. >> >> Of course, by renaming the original file, you force GnuCash to open >> without the file it can no longer find, but it would be clearer to note >> that it will then be necessary to File->Open the backup. >> >> David T. >> On Aug 4, 2025, at 11:20 PM, R Losey <[email protected]> wrote: >>> >>> I run GnuCash on my Mac as well; I have an M1 Mac running Sequoia 15.5 - >>> there was a discussion here about some people having problems with 15.6 -- >>> what are you running? >>> >>> When GnuCash starts, it first looks for a .LCK file; if one exists, you get >>> the error message; otherwise, GnuCash creates the .LCK file and opens your >>> data file. When you shut down GnuCash, it closes your data file, and >>> deletes the .LCK. >>> >>> So, when GnuCash is running, there should always be a .LCK file. If GnuCash >>> is shut down, there should be no .LCK file. >>> >>> If GnuCash crashes, it doesn't go through the normal exit process, and the >>> .LCK file can stick around. The choice to "Open Anyway" is the right choice >>> when you only and always use GnuCash from one computer. (I have my data >>> files stored on a network storage device, and I can access it from multiple >>> computers, so I have to make sure that if I get the error message that I >>> really don't have it running elsewhere). >>> >>> From what you wrote, it sounds as if your data file has something in it >>> that is causing a crash. To verify this, >>> 1) Shut down GnuCash >>> 2) Delete the .LCK file >>> 3) Open GnuCash; you shouldn't get a warning, but Gnucash will probably go >>> away (that is, "crash"). >>> >>> This is almost certainly an issue with your data file. So... >>> 1) Delete the .LCK file >>> 2) Rename your existing data file to something - perhaps >>> JAW.gnucash-CORRUPT and then create a copy of the most recent backup file >>> and rename it to JAW.gnucash >>> 3) Open GnuCash - you should not get any warning; if GnuCash opens, you're >>> good. If it crashes, delete the lock file, and try the next oldest backup >>> file. Repeat this until GnuCash opens without crashing. If you get to a >>> file that you KNOW was good, then there is something else going on - the >>> log files may be able to help you. >>> >>> Best wishes! >>> >>> >>> On Mon, Aug 4, 2025 at 9:20 PM Jacob Wegelin <[email protected]> >>> wrote: >>> >>> I have been using gnucash for about 20 years on macos for personal >>>> bookkeeping. >>>> Suddenly today, it refuses to open with the following message: >>>> >>>> GnuCash could not obtain the lock for >>>> /Users/qg/u/Household/GnuCash/wip/JAW.gnucash (which is my file which it >>>> also opens). >>>> >>>> The database may be in use by another user, in which case you >>>> should not open the database. What would you like to do? >>>> >>>> When I clicked "open anyway," the application looked like it was loading >>>> and then it went away---the application was not open. >>>> >>>> I tried deleting gnucash.LCK and it just made another one. >>>> >>>> I reinstalled gnucash, updated my macos and rebooted the computer. >>>> >>>> I changed the permissions on JAW.gnucash so it is readable and >>>> writeable by everybody. Exactly the same message. >>>> >>>> I tried reinstalling it again after the macos reboot, >>>> as follows: >>>> >>>> https://wiki.gnucash.org/wiki/Installation >>>> >>>> https://sourceforge.net/projects/gnucash/files/gnucash%20%28stable%29/ >>>> click: download latest version Gnucash-Arm-5.12-1.dmg (184.3 MB) >>>> >>>> I made gnucash.LCK read,write,execute by everybody, but the same result. >>>> >>>> How do I get GnuCash working again? I use it every day. >>>> >>>> Thank you >>>> >>>> Jacob Wegelin >>>> ------------------------------ >>>> >>>> gnucash-user mailing list >>>> [email protected] >>>> To update your subscription preferences or to unsubscribe: >>>> https://lists.gnucash.org/mailman/listinfo/gnucash-user >>>> ----- >>>> Please remember to CC this list on all your replies. >>>> You can do this by using Reply-To-List or Reply-All. >>> >>> >>> >>> > > -- > _________________________________ > Richard Losey > [email protected] > Micah 6:8 > _______________________________________________ > gnucash-user mailing list > [email protected] > To update your subscription preferences or to unsubscribe: > https://lists.gnucash.org/mailman/listinfo/gnucash-user > ----- > Please remember to CC this list on all your replies. > You can do this by using Reply-To-List or Reply-All. _______________________________________________ gnucash-user mailing list [email protected] To update your subscription preferences or to unsubscribe: https://lists.gnucash.org/mailman/listinfo/gnucash-user ----- Please remember to CC this list on all your replies. 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