[macnab69]

This is the error if I try to view a book in calibre:
calibre, version 1.5.0
ERROR: Unhandled exception: <b>CriticalError</b>:Failed to launch worker process:
Traceback (most recent call last):
File "site-packages\calibre\utils\ipc\server.py", line 144, in do_launch
File "site-packages\calibre\utils\ipc\launch.py", line 221, in __call__
File "subprocess.py", line 711, in __init__
File "subprocess.py", line 948, in _execute_child
WindowsError: [Error 5] Access is denied


calibre 1.5 [64bit] isfrozen: True is64bit: True
Windows-7-6.1.7601-SP1 Windows ('64bit', 'WindowsPE')
('Windows', '7', '6.1.7601')
Python 2.7.5
Windows: ('7', '6.1.7601', 'SP1', 'Multiprocessor Free')
Traceback (most recent call last):
File "site-packages\calibre\gui2\actions\view.py", line 201, in view_triggered
File "site-packages\calibre\gui2\actions\view.py", line 278, in _view_books
File "site-packages\calibre\gui2\actions\view.py", line 236, in _view_calibre_books
File "site-packages\calibre\gui2\actions\view.py", line 101, in view_format_by_id
File "site-packages\calibre\gui2\actions\view.py", line 132, in _view_file
File "site-packages\calibre\gui2\actions\view.py", line 120, in _launch_viewer
File "site-packages\calibre\gui2\jobs.py", line 253, in launch_gui_app
File "site-packages\calibre\utils\ipc\server.py", line 162, in run_job
File "site-packages\calibre\utils\ipc\server.py", line 135, in launch_worker
CriticalError: Failed to launch worker process:
Traceback (most recent call last):
File "site-packages\calibre\utils\ipc\server.py", line 144, in do_launch
File "site-packages\calibre\utils\ipc\launch.py", line 221, in __call__
File "subprocess.py", line 711, in __init__
File "subprocess.py", line 948, in _execute_child
WindowsError: [Error 5] Access is denied

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