[PyQt] QtWebEngineProcess.exe – Bad Image”

[Giuseppe Corbelli]

On 2/3/20 10:51 AM, Phil Thompson wrote:
> On 03/02/2020 09:34, Giuseppe Corbelli wrote:
>> On 2/2/20 2:09 PM, Phil Thompson wrote:
>>> On 01/02/2020 08:50, Zhao Lee wrote:
>>>> When fallback to version 5.13.2 of pyqt5 and PyQtWebEngine, the issue
>>>> is gone, so what's wrong with the latest version ?
>>>>
>>>> 在 2020-01-31 14:32:28，"Zhao Lee" <redstone-cold at 163.com> 写道：
>>>>
>>>> When I try to run the QtWebEngineWidgets example
>>>> https://bpaste.net/MWTA, I got a message dialog with the following
>>>> information
>>>>
>>>> QtWebEngineProcess.exe – Bad Image”
>>>>
>>>> “C:\Users\i\AppData\Local\Programs\Python\Python36-32\lib\site-packages\PyQt5\Qt\bin\MSVCP140.dll 
>>>> is either not designed to run on Windows or it contains an error. Try
>>>> installing the program again using the original installation media or
>>>> contact your system administrator or the software vendor for support.”
>>>>
>>>> Platform information ：
>>>> Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 16:07:46) [MSC v.1900 32
>>>> bit (Intel)] on win32--Win7
>>>
>>> It looks like the later 32 bit wheels include 64 bit versions of the 
>>> MSVC DLLs. I assume that if the correct 32 bit versions are installed 
>>> elsewhere on a system then these will be picked up and the ones in 
>>> the wheel would be ignored. That would explain why nobody else has 
>>> reported the problem and why my release tests didn't register it. I 
>>> assume that you don't already have the 32 bit versions installed 
>>> elsewhere.
>>>
>>> Can you try installing them from the Microsoft package...
>>>
>>> https://support.microsoft.com/en-gb/help/2977003/the-latest-supported-visual-c-downloads 
>>>
>>
>> Here's how the linker searches, assuming QtWebEngineProcess does not
>> alter the search path (I did not check the sources):
>>
>> https://docs.microsoft.com/en-us/windows/win32/dlls/dynamic-link-library-search-order 
>>
>>
>> A question: technically would it be better to bundle the redist with
>> the wheel and just execute it? Not counting licensing issues I mean.
> 
> Wheels are not executable.

Got that, what I meant was: bundle the redist as package data and find a 
way to execute the redist during package installation.

-- 
Giuseppe Corbelli