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PSPICE-FOR-TI: "Internal Error Ocurred" during installation

Part Number: PSPICE-FOR-TI

I get this error message when trying to install PSpice for TI but my logfiles are different to those where other users have reported this problem.

My logfiles look like this:-

cdsPspiceTIlog.txt
11:30:50 14 December 2023 : parameter count = 1
11:30:50 14 December 2023 : -wrapper
11:30:50 14 December 2023 : Module Name: TIPSpice.exe
11:30:50 14 December 2023 : Server OS = False
11:30:50 14 December 2023 : Operating system version : 10.0.0.0
11:30:50 14 December 2023 : Checking for proxy
11:30:50 14 December 2023 : {
    "LibUpdate_DeltaZip": "">software-dl.ti.com/.../delta.zip",
    "LibUpdate_VersionTxt": "">software-dl.ti.com/.../Pspice_Lib_Version.txt",
    "LibUpdate_UpdateDelta": "">software-dl.ti.com/.../UpdateDelta.json",
    "LibUpdate_UpdateConfig": "">software-dl.ti.com/.../UpdateConfigure.json",
    "LibUpdate_LibMetadata": "">software-dl.ti.com/.../library.json",
    "LibFirstInstall_LibraryZip": "">software-dl.ti.com/.../library.zip",
    "LibFirstInstall_LatestVersion": "23.10.001",
    "Installer_DownloadXML": "">software-dl.ti.com/.../PSpiceForTIXML.xml",
    "Installer_BasePath": "">software-dl.ti.com/.../installer",
    "Installer_DownloadSetup": "">software-dl.ti.com/.../PSpice-For-TI_setup.exe",
    "Licensing_URL": "">cdsplicwc.cadence.com/.../v2",
    "SoftwareUpdate_Expiry": {
        "Timestamp": "01:15:2099 15:07:19 GMT",
        "RegularMessage": {
            "PreHyperLink": "A new software update is available. Click Install to start the download. By installing the update, you accept the ",
            "HyperLink": "license agreement",
            "PostHyperLink": "."
        },
        "ForceMessage": {
            "PreHyperLink": "Latest updates must be installed to run the software. Click Install to start the download. By installing the update, you accept the",
            "HyperLink": "license agreement",
            "PostHyperLink": ".  Click Cancel to exit."
        }
    },
    "UTM_Keyword": {
        "TIPSpice_Install": "HQS=pspiceforti",
        "Full_Install": "HQS=pspiceforti"
    },
    "TI_URLs_Version": [
        "17_4_2020_S006",
        "17_4_2020_S009",
        "23_1_2024_P001"
    ]
}
11:30:50 14 December 2023 : Checking if Licensing URL is accessible
11:30:51 14 December 2023 : Initializing
11:30:51 14 December 2023 : Downloading URLs file from : pcb.cadence.com/.../TI_URLs.txt
11:30:51 14 December 2023 : Response Content length = 1766
11:30:51 14 December 2023 : C:\Users\CJB\AppData\Roaming\Cadence\PspiceTIInstall\TI_URLs.txt bytes downloaded = 1766
11:30:51 14 December 2023 : Reading Json URL File
11:30:51 14 December 2023 : setting media download server URL from Json File
11:30:51 14 December 2023 : Reading Json URL File
11:30:51 14 December 2023 : setting Dll path from Json File
11:30:51 14 December 2023 : Chws URL is: cdsplicwc.cadence.com/.../v2
11:30:51 14 December 2023 : DownloadServerPath is: software-dl.ti.com/.../installer
11:30:51 14 December 2023 : ReleaseVersion in XML: 17.40.009 InstalledVersion on system:
11:30:51 14 December 2023 : LaunchTIPSpiceDlgs()
11:30:51 14 December 2023 : Checking for compnts.dat
11:31:17 14 December 2023 : error_code cdsVblRegisterInstallation: VblInternalError
11:31:17 14 December 2023 : strErrorMsgDesc: An Internal error occurred. Please go to http://e2e.ti.com for further assistance. (-1)
11:31:17 14 December 2023 : strErrorMsgDesc: An Internal error occurred. Please go to http://e2e.ti.com for further assistance. (-1)

cdsPSpiceNetworkStatus.txt

The PSpice for TI installer accesses the internet to download and install various packages. Before starting the installer, ensure the following:
    1.    Internet connection is available
    2.    Security protocol TLS 1.2 is enabled
    3.    Following endpoints or resource locations are accessible from the system:
        a.    pcb.cadence.com/startPages
        b.    software-dl.ti.com/pspice
        c.    cdsplicwc.cadence.com/chws
If proxy credentials are required to access the Internet, provide the same when requested by the installer.


11:30:50 14 December 2023 : *****CONNECTION STATUS CHECK*****
11:30:50 14 December 2023 : Internet Connection : Available (Passed)
11:30:50 14 December 2023 : Security Protocol TLS 1.2: Available. If PSpice for TI installation fails, unblock TLS 1.2
11:30:50 14 December 2023 : Proxy Test : Proxy Credentials not needed
11:31:17 14 December 2023 : An Internal error occurred. Please go to http://e2e.ti.com for further assistance. (-1)

Please can you tell me what I need to do to make this work correctly.

Regards

Chris