Jan 21, 2018
TnT Editor

Windows 10 Insider Preview Build 16299.201 (KB4073291) Released

Microsoft has delivered another new cumulative update for Windows 10 Insider Preview Build 16299.201 with update package KB4073291. The latest cumulative update is following the minor update of the Windows 10 Build 17074. Build 16299.201 doesn’t contain much in the way of changes, but there are some known issues to be aware of. Here’s a look of what’s changelog in Windows 10 Insider Preview Build 16299.201:

Here’s a look at what’s Know issues in KB4073291

Symptom

Windows Update History reports that KB4054517 failed to install because of Error 0x80070643.

Workaround

Even though the update was successfully installed, Windows Update incorrectly reports that the update failed to install. To verify the installation, select Check for Updates to confirm that there are no additional updates available.

You can also type About your PC in the Search box on your taskbar to confirm that your device is using the expected OS build.

Microsoft is working on a resolution and will provide an update in an upcoming release.

Symptom

When calling CoInitializeSecurity, the call will fail if passing RPC_C_IMP_LEVEL_NONE under certain conditions.

When calling CoInitializeSecurity, the call may fail when passing RPC_C_AUTHN_LEVEL_NONE as the authentication level. The error returned on failure is STATUS_BAD_IMPERSONATION_LEVEL.

Workaround

Change the authentication level parameter to RPC_C_AUTHN_LEVEL_CALL.

Microsoft is working on a resolution and will provide an update in an upcoming release.

Symptom

Due to compatibility issues with some versions of antivirus software, this update causes stop errors or abrupt reboots.

Workaround

Contact your antivirus (AV) vendor and follow their guidance.

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