[wakkaday]

ive deleted, uninstalled, re installed
tried earlier versions and get errors too
i want to create a new database and have my ebooks backed up to reload.

Traceback (most recent call last):
File "calibre\gui2\main.py", line 315, in initialize_db_stage2
File "calibre\gui2\main.py", line 258, in start_gui
File "calibre\gui2\ui.py", line 362, in initialize
File "calibre\gui2\tag_browser\ui.py", line 75, in init_tag_browser_mixin
File "calibre\gui2\tag_browser\view.py", line 310, in set_database
File "calibre\gui2\tag_browser\model.py", line 400, in set_database
File "calibre\db\cache.py", line 77, in call_func_with_lock
File "calibre\db\cache.py", line 913, in set_pref
File "calibre\db\backend.py", line 141, in set
File "calibre\db\backend.py", line 135, in __setitem__
File "calibre\db\backend.py", line 1021, in execute
apsw.CantOpenError: CantOpenError: unable to open database file