Modern antivirus suites allow folder exclusions. Exclude the SAP FrontEnd folder.
If the deletion was recent, open the Recycle Bin and search for sapbtmp.dll . If found, right-click and select . The default location is: C:\Program Files (x86)\SAP\FrontEnd\SAPgui\ sapbtmp.dll
Improper PC shutdowns may lead to file system errors that affect DLL references. Modern antivirus suites allow folder exclusions
Always run the SAP GUI patch manager as administrator. Do not interrupt the patching process. sapbtmp.dll