Thread: Viewer (suddenly) not working with epub
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Old 08-13-2022, 01:41 PM   #5
gbm
Wizard
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Windows does a poor job of graphs driver housekeeping, you need to do this just too make sure it is not a bad driver install.

How to perform a CLEAN install of your video card drivers.

Quote:
A major issue on many systems is the presence of multiple graphics card drivers or drivers that have been incompletely uninstalled followed by the installation of newer drivers that can result in rogue registry entries and other issues. Many users upgrading from older cards or integrated graphics that use older driver versions by the same OEM, meaning Nvidia or AMD based, often assume it will be a bang, bang process. Sometimes it is if they've kept up with keeping the drivers current but more often it is not.
bernie

Quote:
Originally Posted by TornSoul View Post
Tried a repair install - No change, epub still doesn't work

--
Uninstalled (through windows - which deleted the Calibre2 folder completely)
(re)Installed (all books still there)

No change, epub still doesn't work

Still getting the exact same error with calibre-debug -w

Failed to import PyQt module: PyQt6.QtWebEngineCore with error: DLL load failed while importing QtWebEngineCore: The specified module could not be found.
Traceback (most recent call last):
File "runpy.py", line 196, in _run_module_as_main
File "runpy.py", line 86, in _run_code
File "site.py", line 82, in <module>
File "site.py", line 77, in main
File "site.py", line 49, in run_entry_point
File "calibre\debug.py", line 231, in main
File "calibre\gui_launch.py", line 80, in ebook_viewer
File "bypy-importer.py", line 279, in exec_module
File "calibre\gui2\viewer\main.py", line 15, in <module>
File "bypy-importer.py", line 279, in exec_module
File "calibre\gui2\viewer\ui.py", line 29, in <module>
File "bypy-importer.py", line 279, in exec_module
File "calibre\gui2\viewer\annotations.py", line 13, in <module>
File "bypy-importer.py", line 279, in exec_module
File "calibre\gui2\viewer\web_view.py", line 14, in <module>
ImportError: cannot import name 'QWebEnginePage' from 'qt.webengine' (C:\Program Files\Calibre2\app\bin\python-lib.bypy.frozen\qt\webengine.pyc)
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