0x80070306 indicates component store corruption.
The following method should resolve the issue.
Fix issues by reinstalling the current version of Windows - Microsoft Support
Security Update (KB5074109) (26200.7623) Install error
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(147.20000000000002, 79%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHA%3C/text%3E%3C/svg%3E)
Huseynagha Aghasiyev
0
Reputation points
2026-01 Security Update (KB5074109) (26200.7623) Install error - 0x80070306. I install this many times after successful installation. this show an error and say retry
Windows for home | Windows 11 | Windows update
1 answer
Sort by: Most helpful
-
Ramesh 175.8K Reputation points Volunteer Moderator2026-02-10T13:52:08.4266667+00:00