A number of things really could cause this, which is why I was asking if you know personally of anything in your environment that may have changed, there are a lot of moving parts so just trying to narrow down what changed to troubleshoot those areas first.
Do you still have the Desktop module installed? If you go to File > Install Extensions do you see Desktop checked as well as Delphi application support underneath desktop?
Also, it may sound silly but have you simply tried rebooting the machine you are recording on?
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