Knowledgebase
Downloads
Glossary
Ask a Question
toggle


KB Home
Recent Articles
MTD Quarterly Filer - known errors
From initial testing we have established the following issues when setting up/submitting quarterly updates: HMRC error '403 Client or Agent Not...
rating 16 Jul, 2026 Views: 2535
TaxCalc crashes during installation, updating or running the software (OpenGL)
For security and functionality reasons, TaxCalc have upgraded some of the components used in the program. In a small number of cases the graphics...
rating 14 Jul, 2026 Views: 17515
E-Sign (Getting Started)
TaxCalc eSign Centre dramatically reduces the time spent obtaining client approval for tax returns, VAT returns, sets of accounts and any other...
rating 13 Jul, 2026 Views: 608
Agents Becoming MTD for VAT Compliant with HMRC - Step by Step guide.
HMRC wants to transform the tax administration to be more effective, more efficient, and make it easier for taxpayers to get their tax right. Making...
rating 13 Jul, 2026 Views: 32737
CloudConnect connection issues
The CloudConnect version of TaxCalc uses a locally installed version of the program which then connects to the database held in the cloud. This...
rating 10 Jul, 2026 Views: 8811


Most Viewed
TaxCalc Release Notes 2026
Below are the Release Notes for TaxCalc 2026 releases. Click to see the Release Notes for 2013-2019 > 2020-2024 > 2025 Please note we phase...
rating 07 Jul, 2026 Views: 222739
What is a 1046 authentication error?
When you receive a 1046 error message in TaxCalc (as shown above) after attempting to file tax return, it will be due to one of the following: ...
rating 13 May, 2025 Views: 145913
Update to refunds made by HMRC
On 1st April 2015, HMRC updated their system to change the way they allocate repayments of overpaid tax. HMRC will only process the refund using...
rating 14 Feb, 2023 Views: 115193
Useful HMRC links and contact numbers
Personal Tax How to pay HMRC – Different ways to pay your Income Tax or Capital Gains Tax Online Services Helpdesk – Help signing up for...
rating 28 Jun, 2017 Views: 110909
How do I download TaxCalc?
To download and install TaxCalc on a new computer, or update it on a computer that already uses TaxCalc, we recommend viewing our video tutorial...
rating 25 Oct, 2022 Views: 102131


RSS
Powered by KBPublisher (Knowledge base software)

Need more help
choosing the right
products?

Please contact our team on 0345 5190 882