It looks like the upgrade woes are far from over with the new
KB5001330 cumulative update. According to new reports, Windows
10 KB5001330 update is throwing up some odd error messages when
the device is connected to Windows Mixed Reality headsets and
it’s also troubling enterprise customers with DNS issues.
Initially, it was believed that the KB5001330 update is
only plagued with gaming and a temporary user profile bug.
Users have now told us that they cannot get the update when
their devices are connected to the Windows Mixed Reality
headset. In fact, KB5001330 is known to cause the issue despite
Microsoft stating it was a one-off issue in March updates.
“The quick answer to what happened is that when we released an
update to the Feature on Demand (FOD) for WMR, it hit a bug
that could leave Windows Update in a bad state. The fix so that
it doesn’t get into a bad state is in KB5000802,” the company
KB5001330 cumulative update (April 2021) replaces KB5000802
(March 2021) and it was supposed to address the installation
issues. Unfortunately, it seems that this month’s patch is also
with the same problem.
According to Microsoft, this could happen when Windows Update
is stuck in a bad state after the last update. In some cases,
removing the feature on demand (FOD) for HoloLens or Mixed
Reality will allow you to install the update.
KB5001330 fails with 0x8007000d
If KB5001330 fails to install with 0x8007000d error, you can
try these workarounds:
People without mixed reality headsets have also encountered
errors and crashes with
April 2021 cumulative update. Others have reported that the
update takes a long time to install and ultimately fails with
unhelpful error messages.
DNS and shared folder issues for enterprise customers
The update also seems to cause trouble for those who managed to
install it. For example, enterprise customers are reporting
problems when attempting to access a shared folder in their
According to Dentrix, a change made in the latest cumulative
update could result in DNS and shared folder issues when “Link
Layer Multi-cast Name Resolution” (LLMNR) group policy is
manually disabled by users.
Link Layer Multicast Name Resolution (LLMNR) policy is
typically enabled by default in all Windows 10 installations,
but some users have it disabled manually to improve network
“After working with Microsoft, we believe that we have found a
solution that allows you to keep the critical Microsoft
Security Update installed,” Dentrix noted.
To address potential DNS and shared folder issues, users need
to re-enable the group policy or wait for the next cumulative