Peng,
Thanks for the reply.
I followed that documentation when I installed SSDT. I'm using standalone version - Release 15.9.9.
The installation hung at screen Microsoft Visual Studio Tools for Applications 2017.
The VSTA2017log shows repeating messages (same as my previous post, I just uninstalled and reinstalled this morning). Please let me know my next steps.
[5FEC:4C04][2021-09-17T09:36:53]i304: Verified existing payload: vsta_hostingcore_x86 at path: C:\ProgramData\Package Cache.unverified\vsta_hostingcore_x86.
[5FEC:4C04][2021-09-17T09:36:53]i305: Verified acquired payload: vsta_hostingcore_x86 at path: C:\ProgramData\Package Cache.unverified\vsta_hostingcore_x86, moving to: C:\ProgramData\Package Cache{9594C97E-6A20-38B3-81BB-2778C4780BE1}v15.0.27520\packages\vsta_hostingcore_x86\vsta_hostingcore_x86.msi.
[4A6C:6628][2021-09-17T09:36:53]i000: MUX: Source confirmed
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to find expected public key in certificate chain.
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to verify expected payload against actual certificate chain.
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to verify signature of payload: cab9D11BAE11C8EDF380F5DC63624B6CC82
[5FEC:4C04][2021-09-17T09:36:54]e310: Failed to verify payload: cab9D11BAE11C8EDF380F5DC63624B6CC82 at path: C:\ProgramData\Package Cache.unverified\cab9D11BAE11C8EDF380F5DC63624B6CC82, error: 0x80070490, delete: Yes
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to cache payload: cab9D11BAE11C8EDF380F5DC63624B6CC82
[4A6C:6628][2021-09-17T09:36:54]i000: MUX: Verify Failed. Retry acquiring, Retry Count: 1 of 3
[4A6C:6628][2021-09-17T09:36:54]i000: MUX: Set Result: Return Code=-2147023728 (0x80070490), Error Message=, Result Detail=, Vital=True, Package Action=Verify, Package Id=vsta_hostingcore_x86
[4A6C:6628][2021-09-17T09:36:54]e314: Failed to cache payload: cab9D11BAE11C8EDF380F5DC63624B6CC82 from working path: C:\Users\lilly\AppData\Local\Temp{f895a2f1-ae3f-4212-8af1-7fa1f8c212ea}\cab9D11BAE11C8EDF380F5DC63624B6CC82, error: 0x80070490.
[4A6C:6628][2021-09-17T09:36:54]e349: Application requested retry of payload: cab9D11BAE11C8EDF380F5DC63624B6CC82, encountered error: 0x80070490. Retrying...
[5FEC:4C04][2021-09-17T09:36:54]i304: Verified existing payload: vsta_hostingcore_x86 at path: C:\ProgramData\Package Cache{9594C97E-6A20-38B3-81BB-2778C4780BE1}v15.0.27520\packages\vsta_hostingcore_x86\vsta_hostingcore_x86.msi.
[4A6C:6628][2021-09-17T09:36:54]i000: MUX: Reset Result
[4A6C:6628][2021-09-17T09:36:54]i000: MUX: Source confirmed
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to find expected public key in certificate chain.
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to verify expected payload against actual certificate chain.
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to verify signature of payload: cab9D11BAE11C8EDF380F5DC63624B6CC82
[5FEC:4C04][2021-09-17T09:36:54]e310: Failed to verify payload: cab9D11BAE11C8EDF380F5DC63624B6CC82 at path: C:\ProgramData\Package Cache.unverified\cab9D11BAE11C8EDF380F5DC63624B6CC82, error: 0x80070490, delete: Yes
[5FEC:4C04][2021-09-17T09:36:54]e000: Error 0x80070490: Failed to cache payload: cab9D11BAE11C8EDF380F5DC63624B6CC82
[4A6C:6628][2021-09-17T09:36:54]i000: MUX: Verify Failed. Retry acquiring, Retry Count: 1 of 3
Thanks
Lilly