The following message may be seen when trying to file a return to HMRC.
This has been seen when Kaspersky Endpoint Security for Windows (V.10) was installed. Kaspersky was causing a problem with the "web control" filtering module
If you disable the "Web Control" filtering module it should resolve the problem.
Please Note: TaxCalc advise you to speak to your IT support before disabling or changing any part of your Anti-Virus/intrusion protection.
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