[Interest] Windows deployment. Failed to start because of missing platform plugin...

[Bo Thorsen]

Yes, although this is frowned upon. You are supposed to install the 
redist package from VS instead.

But I also choose to deliver those as well as the SSL libraries.

Bo.

Den 28-08-2015 kl. 16:41 skrev Henry Skoglund:
> Hi,
>
> also qwindows.dll depends on MSVCR120.DLL and MSVCP120.DLL (for
> VS2013-flavored Qt), if the target system lacks those you need to copy
> them together with your .exe file.
>
> Rgrds Henry
>
> On 2015-08-28 15:42, Samuel Gaist wrote:
>>
>> On 28 août 2015, at 15:20, Bo Thorsen <bo at vikingsoft.eu> wrote:
>>
>>> Den 28-08-2015 kl. 10:01 skrev Igor Mironchik:
>>>> I'm trying to deploy Qt Windows application. And it failed to start with
>>>> the next message...
>>>>
>>>> This application failed to start because it could not find or load the
>>>> Qt platform plugin "windows".
>>>>
>>>> Reinstalling the application may fix this problem.
>>>>
>>>> Platform plugin is exist in ./platforms/qwindows.dll
>>>
>>> It has to be in plugins/platforms/qwindows.dll.
>>>
>>>> How can I solve this problem?
>>>
>>> When I hit this, I copy every dll from Qt to my bin dir and every plugin
>>> to the plugins dir. If that runs, then you can start deleting stuff and
>>> see if your application still runs.
>>>
>>> For example, I have this:
>>>
>>> C:\Prog..\VikingSoftware\Pokerformance\
>>>     pokerformance.exe
>>>     Qt5Core.dll
>>>     Qt5Gui.dll
>>>     Qt5Network.dll
>>>     Qt5Sql.dll
>>>     Qt5Widgets.dll
>>>     plugins\
>>>       platforms\
>>>         qwindows.dll
>>>       sqldrivers\
>>>         qsqlite.dll
>>>
>>> This works for me with Qt 5.5.
>>>
>>> I hope this helps.
>>>
>>> Bo Thorsen,
>>> Director, Viking Software.
>>>
>>> --
>>> Viking Software
>>> Qt and C++ developers for hire
>>> http://www.vikingsoft.eu
>>>
>>
>> Hi,
>>
>> There's also windeployqt that can help for that matters
>>
>> Cheers
>> Samuel
>>
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>>
>
>
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Bo Thorsen,
Director, Viking Software.

-- 
Viking Software
Qt and C++ developers for hire
http://www.vikingsoft.eu