OpenCV Installation Errors: Top Causes & Fixes

Common causes of errors that may occur when installing OpenCV include:

1. During the installation process, a stable internet connection is required to download the necessary OpenCV dependencies and installation files. any network issues could result in a failed installation.
2. Setting system environment variables: OpenCV requires correct system environment variable settings, including paths, etc. Incorrect settings may cause installation to fail.
3. Compiler Version Incompatibility: OpenCV has specific requirements for different compiler versions. Using an incompatible compiler version may result in installation failure.
4. The operating system is not supported: OpenCV may not support certain versions of operating systems, and installing it on an unsupported system may result in installation failure.
5. Missing dependencies: OpenCV relies on some other libraries, and if these libraries are not installed or their versions are incompatible, the installation may fail.
6. Permission issues with installation path: Sufficient permissions are required to write files to the system directory when installing OpenCV, failure to have necessary permissions may result in installation failure.

To address these issues, you can try re-downloading and installing the files, checking the system environment variable settings, updating the compiler version, checking the operating system support, installing dependent libraries, and running the installation program as an administrator.