Studio / VC directory, I noticed that a couple of issues were being reported in the command line - notably that MySQL command not found which I thought rather odd - what would MySQL have to do with a Visual Studio install?
Anyhoo, having then removed anything and everything MySQL-related from my system, running the vcvarsall.bat again yielded no reported issues. I then ran Qt Creator again using a simple example application and now everything works perfectly. All I can think of is that when the vcvarsall.bat returns an exit code, it was not the exit code expected by Qt Creator due to the MySQL issues. Either that or there was a lingering bath path around used by MySQL which no longer existed and was throwing the toolchain.
Either way, I'm back in business! Thanks for all the comments and help with this.
sir i have problem in debugging a file in QT
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