FineReader Engine

Activation and Licensing

• Licensing Service restart fails with an error: Error 5: Access is denied.
• Unable to activate a license via the License Manager – the Activate License... button is disabled
• How to update a FineReader Engine license via the License Manager
• How to deactivate a license via License Manager in FineReader Engine?
• License deactivation procedure in FineReader Engine 12 for Linux
• What are the benefits of using a redundant license server?

API

• Application that references the FREngine.DotNet.Interop assembly fails with an error: "Unable to cast object of type 'System.__ComObject' to type 'FREngine.IEngine'."
• How can I access the API documentation for FineReader Engine 11 for macOS?
• Difference between PrepareImageMode.EnhanceLocalContrast and FRPage.ImageDocument.EnhanceLocalContrast()
• How to get the content of the ImageDocument object saved with the previous FineReader Engine version
• Number of words in a document
• How to determine the correct value for the HasWhiteBackground property of the EqualizeBrightness method

Import/Export

• An error occurs when processing a PDF file: C:\Build\TeamAgent\_work\1\s\0\OCRT\PdfTools\PdfService\Src\PdfDocument.cpp, 191.
• Failed to open the file using Embedded Office application
• Is there a way to load a color image as Black-and-White?
• Convert TIF to PDF rotates image by 45 degrees
• How FineReader Engine handle malicious PDF files, containing (attachments with) virus or malware
• Turning off hyperlink detection while exporting to PDF

Installation and Update

• FineReader Engine Specifications

• 'There is a problem with this Windows installer package. A program run as part of the setup did not finish as expected'
• How to start with the FineReader Engine 12 Runtime on Windows using CLI installation
• Installation fails with error: "You specified an invalid destination folder. Please provide the correct value"
• How to detect which version of FineReader Engine is installed
• Runtime installation failing for FineReader Engine 12
• FRE12 project in docker container throws: Error loading Finereader Engine: Unknown COM error: 80004005

Performance

• CVE-2023-4863 vulnerability of OpenCV
• Why the image quality for the PDFs created by FineReader Engine is lower than in the original PDFs?
• Error "Cannot create /var/lib/ABBYY/SDK/12/FineReader Engine/PdfToolsCache/. The specified file already exists."
• 'StartLogging' Method doesn't include date only time. Is there an option to also print date?
• Visual Studio Code Python Extension Remote Code Execution Vulnerabilities CVE-2020-1192 and CVE-2020-1171 in FineReader Engine 12
• FineReader Engine can't run test sample

Recognition quality (OCR)

• How to improve field level recognition quality in FineReader Engine 12
• Processed pages returned blank on Linux.
• Page confidence level calculation via XMLExportParams::WriteCharacterRecognitionVariants
• TabSeparator Java use case example
• Using Block method to apply recognizer settings to a separate rectangle of text on a document using FineReader Engine
• MICR code extraction of Japanese/Chinese/Korean language documents using FineReader Engine

Release Notes

• FineReader Engine 12 Release notes

Scanning and Photo

• How to change scanning settings in FineReader Engine
• Where to find FineReader Engine scanning logs
• How FineReader Engine calculates resolution of the input image
• How to scan images without GUI
• Tips for Taking Photos
• What are the recommended scanning parameters

Starting (Launching)

• Troubleshooting "Segmentation Fault" in FineReader Engine 12
• Unknown error. Error code: 0xFFFFFFFE Diagnostic Message: Name or service not known
• Unable to run FineReader Engine 12 Runtime as a non root user on Centos 7
• FineReader Engine 12 error logged into Event Viewer after service restart
• How to upgrade from FineReader Engine 11 to FineReader Engine 12 in runtime environment
• Can’t find Initialize Engine function