Downloading DLLs from third-party "DLL download" websites is extremely dangerous. Most such files contain malware. Only obtain sapbtmp.dll from an official SAP source or a trusted, identical SAP GUI installation from a colleague.
Note: You may need to navigate to the specific folder where the file is located using the cd command first. 5. Run a System File Checker (SFC)
A user cleaning "old files" or moving program directories manually may inadvertently delete or relocate sapbtmp.dll .
: If the file exists but isn't working, try re-registering it through the Windows command prompt.