I sent an email to Sophos Support on the 17th but have not received a reply. I also applied for SophosServ but have not been contacted.
I have discovered that the Sophos Update Manager has not downloaded updates since March 15th. The message displayed in the console is:
Software delivery failed.
I have tried stopping the following Sophos services: Message Router, Agent, Update Manager and Management Service and then restarting them and forcing an update but this did not work. Using Logviewer.exe the following errors are typically reported:
17/03/2017 09:28:21 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 5c6d79f6d29504ee1fd4173c236700ddx000 -> scfndis.cat
17/03/2017 09:18:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 5c6d79f6d29504ee1fd4173c236700ddx000 -> scfndis.cat
17/03/2017 09:13:05 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 5c6d79f6d29504ee1fd4173c236700ddx000 -> scfndis.cat
17/03/2017 09:07:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 205897fdb5ebeb0e5de9626ada469171x000 -> scfndis.sys
17/03/2017 09:06:33 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 205897fdb5ebeb0e5de9626ada469171x000 -> scfndis.sys
17/03/2017 09:00:36 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 32f71ef259f04bddfc9d6dc764739ae7x000 -> scfdriver.sys
17/03/2017 08:59:54 Error Decode operation failed when decoding product release 'Sophos Update Manager'. Details: Checksum error: 9a151a43293fc19eedffd2a105962370x000 -> ps_rootca.crt
17/03/2017 08:59:53 Error Decode operation failed when decoding product release 'Sophos Update Manager'. Details: Checksum error: 9a151a43293fc19eedffd2a105962370x000 -> ps_rootca.crt
17/03/2017 08:59:52 Error Decode operation failed when decoding product release 'Sophos Update Manager'. Details: Checksum error: 9a151a43293fc19eedffd2a105962370x000 -> ps_rootca.crt
17/03/2017 08:59:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 32f71ef259f04bddfc9d6dc764739ae7x000 -> scfdriver.sys
17/03/2017 08:59:46 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 32f71ef259f04bddfc9d6dc764739ae7x000 -> scfdriver.sys
17/03/2017 08:59:43 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d436701e42dee6eb5eadc3ed7eb0addbx000 -> scfndis.cat
17/03/2017 08:58:48 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 6b7f7c7fd349a28459e52a4ec03cd2fbx000 -> scfndis.inf
17/03/2017 08:48:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 6b7f7c7fd349a28459e52a4ec03cd2fbx000 -> scfndis.inf
17/03/2017 08:38:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 6b7f7c7fd349a28459e52a4ec03cd2fbx000 -> scfndis.inf
17/03/2017 08:30:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 6b7f7c7fd349a28459e52a4ec03cd2fbx000 -> scfndis.inf
17/03/2017 08:28:17 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 08:18:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 08:07:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 07:57:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 07:47:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 07:37:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 07:29:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 679880178643e926a294c2dda30a4aabx000 -> scfndis.sys
17/03/2017 07:27:17 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 07:17:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 07:06:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 06:56:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 06:46:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 06:36:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 06:28:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2ec2fa89db2dc4aa261f66bcb1bb1937x000 -> scfdriver.sys
17/03/2017 06:26:18 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 06:16:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 06:05:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 05:55:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 05:45:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 05:35:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 05:27:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: adcfcef8d33ae3d77599aeddcb1414a8x000 -> scfndis.cat
17/03/2017 05:25:17 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 05:15:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 05:04:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 04:54:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 04:44:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 04:34:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 04:26:45 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: dc5b6ca7d7b8631786beb0af9fb917d2x000 -> scfndis.sys
17/03/2017 04:24:18 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 04:14:31 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 04:04:12 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 03:53:48 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 03:43:39 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 03:33:39 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 03:25:30 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 2729e4276f24313f0933872a49ff7ca7x000 -> scfdriver.sys
17/03/2017 03:23:18 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 03:13:18 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 03:02:58 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 02:52:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 02:42:37 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 02:32:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 02:24:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: d137f8a0d080813d0740e794e6d52cfdx000 -> scfndis.cat
17/03/2017 02:22:17 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 02:12:07 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 02:01:57 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 01:51:47 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 01:41:38 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 01:31:27 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
17/03/2017 01:23:22 Error Decode operation failed when decoding product release 'Windows Endpoint Security and Control'. Details: Checksum error: 8bea8b86b0b3303add75e06f7f2b1089x000 -> scfndis.sys
I have checked online and can see that renaming the Warehouse folder often resolves this issue. However, as this is a newer version of SEC than was available at the time the solutions were published, I thought it best to check with you about doing this, or if you require any further information. For example, some suggestions were for the folder to be renamed, others just for the folder to be emptied, others for the CID and Warehouse folders to be renamed or emptied.
If anyone can offer some clarity I would be very grateful.
Many thanks
Mark
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