Troubleshooting: Preview Report error – Could not load file or assembly…

From AutoCount Resource Center

Question: I have encountered an error when preview an invoice report. The error message is ‘Could not load assembly…’ What should I do?

Version: 1.8 / 1.9 / 2.0

Possible Reason:

This issue may be caused by missing or damaged files of Microsoft.Net Framework 4.


Uninstall and reinstall the Microsoft.Net Framework 4 on your pc.

- For AutoCount version 2.0 : Microsoft.Net Framework 4.6.1 and above.

1. Click on the Start button and click on Control Panel.

2. Click on Programs and Features.

3. Right click to Uninstall the Microsoft.Net Framework 4 Client Profile & Extended from the program list.

4. Restart your computer and reinstall the Microsoft.Net Framework 4. You may get the Microsoft.Net Framework 4 web installer from the following link:

[Dowwload Microsoft.Net Framework]

5. Login to AutoCount system, you will be able to preview the report.

By Jacky 170929,KM 180404, P180409

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