When I tried to open my accounts on gnucash it stated that the lock file could not be opened. The lock file is still in the folder. What can I do? GnuCash could not obtain the lock for file://C:\Users\Polly\Desktop\hubb_main\HUBB_MAIN_ACCOUNTS.gnucash. --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus