ERROR : Exception: Could not find any files named *manifest.dat in C:\\Program Files\\Sophos\\CloudInstaller\\extract_cache

Same problem as this as this post but the solution was PM to the OP. (why not make it public?)

W2K8 server using Sophos Cloud.

Logs:

Started C:\Users\blauserL~1\AppData\Local\Temp\sfl-2f342000\Setup.exe
2021-07-07T13:39:15.9227156Z INFO : Stage 1 command-line options:
2021-07-07T13:39:15.9227156Z INFO : ---
2021-07-07T13:39:15.9227156Z INFO : Quiet mode on: 0
2021-07-07T13:39:15.9227156Z INFO : Automatic Proxy detection disabled: 0
2021-07-07T13:39:15.9227156Z INFO : No feedback mode on: 0
2021-07-07T13:39:15.9227156Z INFO : Dump feedback enabled: 0
2021-07-07T13:39:15.9237159Z INFO : Bypass competitor removal: 0
2021-07-07T13:39:15.9237159Z INFO : Using CRT catalog file path: --
2021-07-07T13:39:15.9237159Z INFO : Only register endpoint with Central: 0
2021-07-07T13:39:15.9237159Z INFO : Log messages between endpoint and Central: 0
2021-07-07T13:39:15.9237159Z INFO : Log command-line passed to executables: 0
2021-07-07T13:39:15.9247162Z INFO : Using custom server that hosts the installer stage2 filename : --
2021-07-07T13:39:15.9247162Z INFO : Using cloud group: --
2021-07-07T13:39:15.9247162Z INFO : Overriding computer name: --
2021-07-07T13:39:15.9247162Z INFO : Overriding computer description: --
2021-07-07T13:39:15.9247162Z INFO : Overriding domain name: --
2021-07-07T13:39:15.9247162Z INFO : Language will be set to: --
2021-07-07T13:39:15.9247162Z INFO : Using message relays: --
2021-07-07T13:39:15.9247162Z INFO : Proxy address: --
2021-07-07T13:39:15.9257165Z INFO : Proxy user name: --
2021-07-07T13:39:15.9257165Z INFO : Using custom customer token: --
2021-07-07T13:39:15.9257165Z INFO : Using specified products: --
2021-07-07T13:39:15.9257165Z INFO : Using certificates from the MCS app data folder.: 0
2021-07-07T13:39:15.9257165Z INFO : Using custom customer ID.: --
2021-07-07T13:39:15.9257165Z INFO : Using specified user ID.: --
2021-07-07T13:39:15.9257165Z INFO : Using local install source.: --
2021-07-07T13:39:15.9267168Z INFO : Using experimental SRV.: --
2021-07-07T13:39:15.9267168Z INFO : Invoked as part of SEC migration.: 0
2021-07-07T13:39:15.9267168Z INFO : ---
2021-07-07T13:39:15.9327186Z INFO : Sending HTTP 'POST' request to: api/download/stage2-details/9c168a44-8a11-4e00-b5a4-e7c14d3fb0ce
2021-07-07T13:39:16.5879151Z INFO : Discovered the automatic proxy 10.bla.bla.bla:8080
2021-07-07T13:39:16.5889154Z INFO : Discovered the system proxy 10.bla.bla.bla:8080
2021-07-07T13:39:16.5889154Z INFO : Attempting to connect using proxy '10.bla.bla.bla:8080' of type 'System'.
2021-07-07T13:39:16.5889154Z INFO : Set security protocol: 00000800
2021-07-07T13:39:16.5889154Z INFO : Opening connection to dzr-api-amzn-eu-west-1-9af7.api-upe.p.hmr.sophos.com
2021-07-07T13:39:16.5919163Z INFO : Request content size: 30
2021-07-07T13:39:16.8689994Z INFO : Sending request
2021-07-07T13:39:16.8699997Z INFO : Request sent
2021-07-07T13:39:17.0230456Z INFO : Response status code: 200
2021-07-07T13:39:17.0230456Z INFO : Response data size: 176
2021-07-07T13:39:17.0240459Z INFO : trySendRequestThroughPotentialProxy returning response with status code: 200
2021-07-07T13:39:17.0240459Z INFO : Parsing message received for Stage 2 filename: '{"mcs_server":"mcs2-cloudstation-eu-west-1.prod.hydra.sophos.com","stage2_filename":"stage2-1.11.276.0-2ab0cad479824129febb823c7190f86f17b2f8b1b7261f0bd50e280ddb5250d5.tar.gz"}'
2021-07-07T13:39:17.0240459Z INFO : Sending HTTP 'GET' request to: full/central/windows/business/installer/stage2-1.11.276.0-2ab0cad479824129febb823c7190f86f17b2f8b1b7261f0bd50e280ddb5250d5.tar.gz
2021-07-07T13:39:17.0340489Z INFO : Discovered the automatic proxy 10.bla.bla.bla:8080
2021-07-07T13:39:17.0350492Z INFO : Discovered the system proxy 10.bla.bla.bla:8080
2021-07-07T13:39:17.0350492Z INFO : Attempting to connect using proxy '10.bla.bla.bla:8080' of type 'System'.
2021-07-07T13:39:17.0350492Z INFO : Set security protocol: 00000800
2021-07-07T13:39:17.0350492Z INFO : Opening connection to downloads.sophos.com
2021-07-07T13:39:17.0350492Z INFO : Request content size: 0
2021-07-07T13:39:17.1730906Z INFO : Sending request
2021-07-07T13:39:17.1740909Z INFO : Request sent
2021-07-07T13:39:17.3071308Z INFO : Response status code: 200
2021-07-07T13:39:17.3131326Z INFO : Response data size: 3280982
2021-07-07T13:39:17.3141329Z INFO : trySendRequestThroughPotentialProxy returning response with status code: 200
2021-07-07T13:39:17.3351392Z INFO : Extracting files:
2021-07-07T13:39:17.3361395Z INFO : integrity.dat
2021-07-07T13:39:17.3381401Z INFO : manifest.dat
2021-07-07T13:39:17.3391404Z INFO : scf.dat
2021-07-07T13:39:17.3391404Z INFO : SDDS3.dll
2021-07-07T13:39:17.3741509Z INFO : sof.dat
2021-07-07T13:39:17.3791524Z INFO : SophosSetup_Stage2.exe
2021-07-07T13:39:17.4311680Z INFO : su-setup32.exe
2021-07-07T13:39:17.4471728Z INFO : su-setup64.exe
2021-07-07T13:39:17.4661785Z INFO : SUL.dll
2021-07-07T13:39:17.5071908Z INFO : Management Certs/sophosca1.crl
2021-07-07T13:39:17.5121923Z INFO : Management Certs/sophosca1.crt
2021-07-07T13:39:17.5131926Z INFO : Management Certs/sophosca2.crl
2021-07-07T13:39:17.5432016Z INFO : Management Certs/sophosca2.crt
2021-07-07T13:39:17.5462025Z INFO : Management Certs/sophosca3.crl
2021-07-07T13:39:17.5472028Z INFO : Management Certs/sophosca3.crt
2021-07-07T13:39:17.5482031Z INFO : Management Certs/sophosca4.crl
2021-07-07T13:39:17.5502037Z INFO : Management Certs/sophosca4.crt
2021-07-07T13:39:17.5512040Z INFO : ManifestCerts/rootca.crl
2021-07-07T13:39:17.5512040Z INFO : ManifestCerts/rootca.crt
2021-07-07T13:39:17.5562055Z INFO : ManifestCerts/rootca384.crl
2021-07-07T13:39:17.5562055Z INFO : ManifestCerts/rootca384.crt
2021-07-07T13:39:17.5742109Z ERROR : FileSystemFinder failure: 87
2021-07-07T13:39:17.5742109Z ERROR : FileSystemFinder failure: 87
2021-07-07T13:39:17.5762115Z INFO : Cleaning up extracted files
2021-07-07T13:39:19.3187341Z INFO : FindMainWindow: pid=0
2021-07-07T13:39:19.3457422Z ERROR : Exception: Could not find any files named *manifest.dat in C:\\Program Files\\Sophos\\CloudInstaller\\extract_cache

What is the solution please?

Thanks