Adding another voice to this thread as it is happening to us as well. We have QB installed on 2 servers both are Windows Server 2019. I tried a repair of QB usi...
Update R13_61 appears to have also fixed the Combined Reports for Multiple Companies issue. Running a report from the feature crashed QB when we updated to R13 ...
Just wanted to upvote this as we are experiencing the same issue with the Combine reports from multiple companies. Opened a case and we performed a repair of QB...