https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10029806#M4684 <P>Trying to install CAMduct 2020 or 2021 and got the error message</P><P>".net framework runtime 4.8 did not install (error code 87)"</P><P>&nbsp;</P><P>How to work around it?</P><P>&nbsp;</P><P>Computer System is Win 10 Pro</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 25 Jan 2021 19:39:15 GMT diacreek 2021-01-25T19:39:15Z https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10029806#M4684 <P>Trying to install CAMduct 2020 or 2021 and got the error message</P><P>".net framework runtime 4.8 did not install (error code 87)"</P><P>&nbsp;</P><P>How to work around it?</P><P>&nbsp;</P><P>Computer System is Win 10 Pro</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Mon, 25 Jan 2021 19:39:15 GMT https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10029806#M4684 diacreek 2021-01-25T19:39:15Z https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10029907#M4686 <P>Hi Diacreek</P><P>This is a Microsoft message so that is the place to hunt down a solution.&nbsp;</P><P>Make sure Windows 10 is up-to-date and then try to instal .net 4.8 by itself. You can find it here:</P><P><A href="https://support.microsoft.com/en-us/topic/microsoft-net-framework-4-8-offline-installer-for-windows-9d23f658-3b97-68ab-d013-aa3c3e7495e0" target="_blank">https://support.microsoft.com/en-us/topic/microsoft-net-framework-4-8-offline-installer-for-windows-9d23f658-3b97-68ab-d013-aa3c3e7495e0&nbsp;</A></P><P>&nbsp;</P> Mon, 25 Jan 2021 20:21:51 GMT https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10029907#M4686 matthewweake 2021-01-25T20:21:51Z https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10033064#M4689 <P>Error on installation&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="diacreek_0-1611690117820.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/872310iD17E9CCF9741B930/image-size/medium?v=v2&amp;px=400" role="button" title="diacreek_0-1611690117820.png" alt="diacreek_0-1611690117820.png" /></span></P><P>&nbsp;</P> Tue, 26 Jan 2021 19:43:53 GMT https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10033064#M4689 diacreek 2021-01-26T19:43:53Z https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10033488#M4690 <P>CAMduct 2020 can be installed. There are .Net Frameworks runtime 4.8 issues for CAMduct 2021.</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="diacreek_0-1611700093678.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/872396i4CFF6B7842BE9F1D/image-size/medium?v=v2&amp;px=400" role="button" title="diacreek_0-1611700093678.png" alt="diacreek_0-1611700093678.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Tue, 26 Jan 2021 22:28:57 GMT https://forums.autodesk.com/t5/fabrication-cadmep-forum/net-framework-runtime-4-8-did-not-install-error-code-87/m-p/10033488#M4690 diacreek 2021-01-26T22:28:57Z