KB4480966

After you install the August Preview of Quality Rollup or September 11, 2018 .NET Framework update, instantiation of SqlConnection can throw an exception. For more information about this issue, see the following article in the Microsoft Knowledge Base:

4470809 SqlConnection instantiation exception on .NET 4.6 and later after August-September 2018 .NET Framework updates.

This issue is resolved in KB4480976.

After installing this update, some users cannot pin a web link on the Start menu or the taskbar.

This issue is resolved in KB4487029.

After installing this update, third-party applications may have difficulty authenticating hotspots.

This issue is resolved in KB4480976.

Applications that use a Microsoft Jet database with the Microsoft Access 97 file format may fail to open if the database has column names greater than 32 characters. The database will fail to open with the error, “Unrecognized Database Format”.

This issue is resolved in KB4487017.

After installing KB4480966, some Microsoft Edge users report that they:

• Cannot load webpages using a local IP address.

• Cannot load webpages on the Internet using a VPN connection.

Browsing fails or the webpage may become unresponsive.

This issue is resolved in KB4487017.

After installing this update, MSXML6 causes applications to stop responding if an exception was thrown during node operations, such as appendChild(), insertBefore(), and moveNode().

The Group Policy editor may stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 settings.

This issue is resolved in KB4493464.

Certain operations, such as rename, that you perform on files or folders that are on a Cluster Shared Volume (CSV) may fail with the error, “STATUS_BAD_IMPERSONATION_LEVEL (0xC00000A5)”. This occurs when you perform the operation on a CSV owner node from a process that doesn’t have administrator privilege.

Do one of the following:

• Perform the operation from a process that has administrator privilege.

• Perform the operation from a node that doesn’t have CSV ownership.

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