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KB Home / Technical / How to fix the TaxCalc display when the High DPI settings are set...

How to fix the TaxCalc display when the High DPI settings are set incorrectly

Article ID: 2853
Last updated: 21 Jan, 2026

In some cases users prefer to change the zoom settings in TaxCalc rather than their display settings, However, if too radical a change is made to the Advanced Display Settings (High DPI Support) the TaxCalc display can become garbled.

Windows machines:

In this case the registry setting that control the High DPI settings need to be reset. This can be done via the TaxCalc Configuration tool, or directly through editing the registry.

Using the TaxCalc Configuration tool

  1. Download the TaxCalc Configuration tool from the following link TaxCalc Configuration tool
  2. Make sure TaxCalc is closed.
  3. Run the tool. You should see the window below

  1. From the menu click on Reset HiDPI Settings, this resets the values to the default.
  2. Close the TaxCalc Configuration tool and open TaxCalc, it should now display as expected

Please Note: if the tool cannot be downloaded or run as above, then users may need to choose one of the other options to reset the registry values

Edit the Registry directly

  1. Open the registry editor (regedit)
  2. Browse to HKEY_CURRENT_USER\SOFTWARE\Acorah Software Products\TaxCalcHub
  3. Double click on the HighDpiScaleFactor entry and set the value to 1
  4. Double click on the HighDpiMode entry and set the value to 1
  5. Close the registry editor and open TaxCalc. It should now display as expected


macOS machines:

Close the TaxCalc application, then:

1) Click the macOS finder icon (usually located on the macOS dock at the bottom of the screen).

2) Click Go, at the top of the screen.

3) Click Go to Folder

4) Type the below, then press enter:
~/library

Double click the preferences folder, delete the file called com.acorahsoftwareproducts.TaxCalcHub.plist then re-launch TaxCalc and the display should be as it was originally.

Article ID: 2853
Last updated: 21 Jan, 2026
Revision: 21
Views: 3815
This article was:  


Also read
item How to change the Advanced Display Settings within TaxCalc if the software does not display as expected

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