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"This application failed to start because sapbtmp.dll was not found." Why Do These Errors Happen?
Upload the file to a multi-engine scanner like to ensure it is clean.
Only obtain the replacement file from a trusted source (like another computer on your network with a working installation of the same SAP GUI version). Downloading DLLs from third-party file websites is a major security risk and is highly discouraged.
If you are seeing "SAPbtmp.dll not found" or "failed to load," follow these steps in order: 1. Re-register the DLL Manually