この更新プログラムは、次の更新プログラムを置き換えます: Windows Malicious Software Removal Tool for Windows Insider Preview - April 2017 (KB890830) Windows Malicious Software Removal Tool for Windows Insider Preview - February 2017 (KB890830) Windows Malicious Software Removal Tool for Windows Insider Preview - March 2017 (KB890830) Windows Malicious Software Removal Tool for Windows Insider Preview - May 2017 (KB890830)