FineReader Engine

Installation and Updates

• Release Notes
• Downloads
• 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 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
• 80070005 Access is denied
• ARM CPU (M1) support in FineReader Engine 12 for Mac

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
• Unknown COM error: 80004005

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?
• Number of words in a document
• How to use the user dictionary
• How to check the detected languages in the processed document
• How to get word coordinates from the document

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
• How FineReader Engine handle malicious PDF files, containing (attachments with) virus or malware
• The operation cannot be performed because no pages are specified
• The image could not be exported.
• Is it possible to change font type and size for PDF files exported by FineReader Engine 12?

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?
• Visual Studio Code Python Extension Remote Code Execution Vulnerabilities CVE-2020-1192 and CVE-2020-1171 in FineReader Engine 12
• How to fix the "Execution of parallel task failed: grayComponent.frdat could not be opened because there are too many open files"?
• How to operate the FineReader Engine 12 Licensing Service in Linux
• How to stay invulnerable with the latest updates

Recognition quality (OCR)

• Adding new fonts to Linux system
• Handprinted text recognition
• What is a Field-level OCR
• Gothic/Fraktur OCR
• OCR for Arabic and Farsi
• What is ICR?

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
• 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
• How to upgrade from FineReader Engine 11 to FineReader Engine 12 in runtime environment
• Can’t find Initialize Engine function
• Online licensing connection problem