I'm getting the same problem as of yesterday, error codes 0x800706be and 0x800706ba, cannot download
2024-07 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Windows 11, version 23H2 for x64 (KB5039895)
2024-07 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5040442)
and five other Intel updates. Troubleshooting doesn't solve it.