[Student1]

(( After 20 so hours it failed here is the console info :

C:\Program Files (x86)\calibre>calibre -debug -g

C:\Program Files (x86)\calibre>calibre-debug -g
link hasn't been detected!
link hasn't been detected!
Building file list...
Parsing Science fiction & Fantasy\Karl Edgar Wagner\Karl Edward Wagner -
Misericorde.html
Open ebook created in c:\users\maledi~1\appdata\local\temp\calibre_0.4.1 39_ljzja
n_create_oebzip
Output saved to c:\users\maledi~1\appdata\local\temp\calibre_0.4.1 39_vxgpie_plug
in_html2zip.zip
Building file list...
Parsing Science fiction & Fantasy\Karl Edgar Wagner\Karl Edward Wagner -
At First Just Ghostly.html
Open ebook created in c:\users\maledi~1\appdata\local\temp\calibre_0.4.1 39_57twz
p_create_oebzip
Output saved to c:\users\maledi~1\appdata\local\temp\calibre_0.4.1 39_pyzwpg_plug
in_html2zip.zip
Traceback (most recent call last):
File "calibre\gui2\add.pyo", line 205, in run
File "calibre\library\database2.pyo", line 1216, in import_book
File "calibre\library\database2.pyo", line 865, in set_metadata
File "calibre\library\database2.pyo", line 934, in set_title
File "calibre\library\sqlite.pyo", line 146, in run
DatabaseException: unable to open database file
RemoteTraceback (most recent call last):
File "calibre\library\sqlite.pyo", line 119, in run
OperationalError: unable to open database file

QObject::setParent: Cannot set parent, new parent is in a different thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QObject::startTimer: timers cannot be started from another thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread

Was trying simply to import 13000 volumes... and it failed. Does the error message give you any indication why it failed?

thanks!