I can't delete books from my library. I use Windows 7 64b.
This is the error:
calibre, version 2.10.0
ERROR: Unhandled exception: <b>error</b>

123, 'CreateFile', 'The filename, directory name, or volume label syntax is incorrect.')
calibre 2.10 [64bit] isfrozen: True is64bit: True
Windows-7-6.1.7601-SP1 Windows ('64bit', 'WindowsPE')
('Windows', '7', '6.1.7601')
Python 2.7.8
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Traceback (most recent call last):
File "site-packages\calibre\gui2\actions\delete.py", line 392, in delete_books
File "site-packages\calibre\gui2\actions\delete.py", line 366, in do_library_delete
File "site-packages\calibre\gui2\library\models.py", line 361, in delete_books_by_id
File "site-packages\calibre\db\cache.py", line 57, in call_func_with_lock
File "site-packages\calibre\db\cache.py", line 1533, in remove_books
File "site-packages\calibre\db\backend.py", line 1409, in windows_check_if_files_in_use
File "site-packages\calibre\utils\filenames.py", line 348, in __init__
error: (123, 'CreateFile', 'The filename, directory name, or volume label syntax is incorrect.')