Calibre suddenly will not open

[tarektaha]

Calibere suddenly will not open

Spoiler:

calibre 4.3 [64bit] embedded-python: True is64bit: True
Windows-10-10.0.18362-SP0 Windows ('64bit', 'WindowsPE')
('Windows', '10', '10.0.18362')
Python 2.7.16+
Windows: ('10', '10.0.18362', 'SP0', u'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: DeDRM (6, 6, 3) && Inept Epub DeDRM (0, 1, 7) && Kindle hi-res covers (0, 4, 0) && Find Duplicates (1, 6, 3) && Goodreads (1, 1, 14) && Obok DeDRM (6, 5, 4) && Ignoble Epub DeDRM (0, 1, 6) && Goodreads Sync (1, 12, 0) && Quality Check (1, 9, 11) && Search The Internet (1, 7, 6) && eReader PDB 2 PML (0, 0, 5) && EpubMerge (2, 4, 0) && Clean Metadata (0, 0, 6)
Turning on automatic hidpi scalingRegistering with default programs...

devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 141.76744186 x 142.134715026
Using calibre Qt style: True
Registered with default programs in 4.9 seconds
[0.00] Starting up...
[0.02] Showing splash screen...
[0.66] splash screen shown
[0.66] Initializing db...
[6.48] db initialized
[6.48] Constructing main UI...
DEBUG: 0.0 obok::utilities.py - loading translations
DEBUG: 0.0 obok::dialogs.py - loading translations
DEBUG: 0.0 obok::config.py - loading translations
DEBUG: 0.4 obok::action_err.py - loading translations
Loaded cached store plugin for: Project Gutenberg at version: 6
Loaded cached store plugin for: Legimi at version: 10
Loaded cached store plugin for: Świat Ebooków at version: 2
Loaded cached store plugin for: Empik at version: 9
Loaded cached store plugin for: ManyBooks at version: 2
Loaded cached store plugin for: XinXii at version: 2
Loaded cached store plugin for: Virtualo at version: 10
Loaded cached store plugin for: LitRes at version: 2
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
DEBUG: 0.0 HttpHelper::__init__: proxy=None
EpubMerge: DEBUG: 2020-07-29 11:54:36,855: calibre_plugins.epubmerge.epubmerge_plugin(152): macmenuhack file_path:C:\Users\Tarek Taha\AppData\Roaming\calibre\plugins\fanficfare_ma cmenuhack.txt
DEBUG:calibre_plugins.epubmerge.epubmerge_plugin:m acmenuhack file_path:C:\Users\Tarek Taha\AppData\Roaming\calibre\plugins\fanficfare_ma cmenuhack.txt
[19.80] main UI initialized...
[19.80] Hiding splash screen
SMART_DEV ( 0.00: 0.001) _attach_to_port try ip address "" on port 9090
SMART_DEV ( 0.90: 0.805) _startup_on_demand listening on port 9090
SMART_DEV ( 0.95: 0.001) _attach_to_port try ip address "" on port 54982
SMART_DEV ( 0.99: 0.000) _startup_on_demand broadcast socket listening on port 54982
[23.00] splash screen hidden
[23.00] Started up in 23.00 seconds with 135991 books
SMART_DEV ( 2.08: 1.047) run All IP addresses {u'{4A3273DD-7C3F-43B2-A3BE-8E6AC68DB16B}': [{'addr': u'192.168.1.15', 'broadcast': u'192.168.1.255', 'netmask': u'255.255.255.0'}], u'{1F5072FA-882F-11E8-ACE1-806E6F6E6963}': [{'addr': u'127.0.0.1', 'broadcast': u'127.255.255.255', 'netmask': u'255.0.0.0'}]}