Hi, anonymous user
Thank you for posting in Microsoft Q&A forum.
It seems the updates started downloading on the clients but did not finish the downloading, your CAS.log and UpdateDeployment.log are not on the same timeline, you may need to check UpdatesDeployment.log, UpdatesHandler.log, CAS.log, and ContentTransferManager.log follow this guidance to troubleshooting:
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.