I cant install any updates starting 2020 year, that was not an issue until i needed dot net 4.8 on the server,
windows 2012 server standard 6.2.9200
updates always pending : kb450905, kb4580325, kb4586084, kb4592468, kb4486081
after kb4592468 server always does a rollback
tried resetting the update services with multiple fixes, disabled working WSUS, tried sfc tool and dism scan and restorehealth - successful, still cant install updates, attaching cutout from cbs.log
2021-01-05 09:19:08, Info CBS TiWorker starts successfully.
2021-01-05 09:19:08, Info CBS Universal Time is: 2021-01-05 08:19:08.484
2021-01-05 09:19:08, Info CBS Loaded Servicing Stack v6.2.9200.22882 with Core: C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_6.2.9200.22882_none_62b07eec6a2e4555\cbscore.dll
2021-01-05 09:19:08, Info CSI 00000001@2021/1/5:08:19:08.488 WcpInitialize (wcp.dll version 0.0.0.6) called (stack @0x7fe6af563c9 @0x7fe764098ba @0x7fe763c4dd4 @0x7f7ed6ad1df @0x7f7ed6ad95c @0x7fe9f211bc5)
2021-01-05 09:19:08, Info CBS Could not load SrClient DLL from path: SrClient.dll. Continuing without system restore points.
2021-01-05 09:19:08, Info CSI 00000002@2021/1/5:08:19:08.489 WcpInitialize (wcp.dll version 0.0.0.6) called (stack @0x7fe6af563c9 @0x7fe76466244 @0x7fe76427719 @0x7fe763c4f47 @0x7f7ed6ad1df @0x7f7ed6ad95c)
2021-01-05 09:19:08, Info CBS SQM: Initializing online with Windows opt-in: False
2021-01-05 09:19:08, Info CBS SQM: Cleaning up report files older than 10 days.
2021-01-05 09:19:08, Info CBS SQM: Requesting upload of all unsent reports.
2021-01-05 09:19:08, Info CBS SQM: Failed to start upload with file pattern: C:\Windows\servicing\sqm*_std.sqm, flags: 0x2 [HRESULT = 0x80004005 - E_FAIL]
2021-01-05 09:19:08, Info CBS SQM: Failed to start standard sample upload. [HRESULT = 0x80004005 - E_FAIL]
2021-01-05 09:19:08, Info CBS SQM: Queued 0 file(s) for upload with pattern: C:\Windows\servicing\sqm*_all.sqm, flags: 0x6
2021-01-05 09:19:08, Info CBS SQM: Warning: Failed to upload all unsent reports. [HRESULT = 0x80004005 - E_FAIL]
2021-01-05 09:19:08, Info CBS NonStart: Set pending store consistency check.
2021-01-05 09:19:08, Info CBS Session: 30859881_1459805651 initialized by client WindowsUpdateAgent.
2021-01-05 09:19:08, Info CBS Session: 30860082_92222320 initialized by client WindowsUpdateAgent.
2021-01-05 09:19:08, Info CBS Session: 30860085_4260852867 initialized by client WindowsUpdateAgent.
2021-01-05 09:19:18, Info CBS Read out cached applicability from TiLight for package: Package_for_KB3043812~31bf3856ad364e35~amd64~~6.2.1.1, ApplicableState: 80, CurrentState:0
--------------windows update log----------------------
2021-01-05 09:36:18:031 1016 2ae0 Agent WARNING: WU client fails CClientCallRecorder::RemoveService with error 0x80248014
2021-01-05 09:36:19:105 1016 454 Misc Validating signature for C:\Windows\SoftwareDistribution\ScanFile\3cb0fc44-684a-4651-91c9-abfc7f9ff12b\Source.cab with dwProvFlags 0x00000080:
2021-01-05 09:36:19:111 1016 454 Misc Microsoft signed: Yes
2021-01-05 09:36:19:115 1016 454 DtaStor Default service for AU is {9482F4B4-E343-43B6-B170-9A65BC822C77}