Hello
This issue is known and some topics are exists already:
Unfortunately, this issue occurs when 32-bit application is running under 64-bit Windows.
Maybe you hadn’t earlier because the application was running under 32-bit Windows or under Windows without active Aero?
Sorry, wrong link was inserted.
Look this topic, please.
The cause of the problem is in Windows x64 bug
Application will not have this issue if compiled in Win64 mode.
Maybe you hadn’t the issue earlier because the application was running under 32-bit Windows or under Windows without active Aero?
This reply was modified 4 years, 10 months ago by Support.