Microsoft Finds Bug in Windows 10 Cumulative Update KB4495666
Microsoft says it discovered an issue in the latest cumulative update for Fast ring insiders, so the company decided to put the rollout of 20H1 preview builds for these users on hold.
According to Microsoft, users running Windows 10 build 18362.53 after installing cumulative update KB4495666 can’t move to the Windows 10 20H1 preview builds due to errors 0xca00a000 and 0x80242016.
The issue appears to be caused by this particular cumulative update, and Microsoft says it is related to the migration process when switching from 19H1 preview builds to 20H1.
Fix coming this week
As a result, the software giant decided to pull the 20H1 update for Fast ring insiders until a new cumulative update is released to resolve the bug.
“We have determined that there is an issue with the Build 18362.53 (KB4495666) Cumulative Update that was released early last week which has caused updates to Build 18875 to fail. The issue only impacts 19H1 to 20H1 updates and oc… (read more)