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Troubleshoot
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Screen doesn't rotate by ``Alt+Left`` and ``Alt+Right`` keys
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Make sure that ``d3d8.dll`` or ``d3d9.dll`` has been copied to the appropriate location.
If it doesn't work correctly even after copy, make sure that the appropriate file has been copied.
For example, ``d3d9.dll`` doesn't work on games run on Direct3D 8. Follow instruction described in :doc:`install` carefully.


``Show THRotator window`` or ``Open THRotator`` doesn't appears from title bar
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Make sure that ``d3d8.dll`` or ``d3d9.dll`` has been copied to the appropriate location.
If it doesn't work correctly even after copy, make sure that the appropriate file has been copied.
For example, ``d3d9.dll`` doesn't work on games run on Direct3D 8. Follow instruction described in :doc:`install` carefully.


Pixels are not smooth in windowed mode when the resolution is 960×720 or 1280×960
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Make sure that ``d3d8.dll`` or ``d3d9.dll`` has been copied to the appropriate location.
If it doesn't work correctly even after copy, make sure that the appropriate file has been copied.
For example, ``d3d9.dll`` doesn't work on games run on Direct3D 8. Follow instruction described in :doc:`install` carefully.


HUD elements are not rearranged for vertically-long screen
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Make sure that config file correctly corresponds to the product.
Also, make sure that the destination is correct.
Since Touhou 12.5, destination directory is confusing.
Follow instruction described in :doc:`install` carefully.


Scores, bombs and other HUD elements are not shown
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Make sure that config file correctly corresponds to the product.
Also, make sure that the destination is correct.
Since Touhou 12.5, destination directory is confusing.
Follow instruction described in :doc:`install` carefully.


Misalignment in Touhou 9.5, 12.5, 12.8, and 14.3
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Make sure that config file correctly corresponds to the product.
Also, make sure that the destination is correct.
Since Touhou 12.5, destination directory is confusing.
Follow instruction described in :doc:`install` carefully.