I found MSVCR90D.dll not found in debug mode with Visual C++ 2008 question but none of given answers really gives answer to the question. Most of them point to turning off i
I never used Qt Creator, but does it create a proper manifest for the exe?
maybe the manifest is for a different version (SP1 for example) and you have only the RTM version.
Are you using Vista? you can try to run SxsTrace to diagnose side by side issues.