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For the last few days implementing #microsoft #exchange 2019 with #sharepoint 2019. This will be supported by Office Online Server and Skype Business Server. Lots of redundancy plan is ongoing. But the nightmare was Update Installation Problem (Update: #KB2267602 (Definition 1.291.278.0)) (Error 0x80070643).
Finally got the solution. Before updating the system, please go to Defender settings. From there just update the database. After that just update the windows system. Your problem is solved.
I searched the whole Technet and all other forums. Don’t know why those nerds were trying to solve it with lots of other efforts!
Nur Hossen see my solution. 🙂
