eWriter HTML Compiler: Troubleshooting Common Issues and Fixes
1. Installation fails or installer won’t run
- Cause: Corrupt installer, missing dependencies, or antivirus blocking.
- Fixes:
- Re-download installer from the official source and verify file size.
- Temporarily disable antivirus or add the installer to exclusions, then run as Administrator.
- Install required runtimes (commonly Microsoft Visual C++ Redistributable) and reboot.
- Check Event Viewer (Windows) for installer error codes and search the code.
2. Compiled EXE won’t launch or crashes on start
- Cause: Missing runtime files, incorrect build options, incompatible OS, or antivirus quarantining.
- Fixes:
- Run the EXE on the target machine with Administrator rights and observe error messages.
- Test on another machine to isolate environment issues.
- Ensure the target machine has needed runtimes (VC++ redistributables, .NET if used).
- Temporarily disable antivirus or whitelist the EXE; check quarantine logs.
- Rebuild with logging or a simple HTML page to confirm packaging works; then add complexity back.
3. App shows blank page or missing resources after compile
- Cause: Incorrect relative paths, resources not included in project, or blocked local file access.
- Fixes:
- Use absolute paths or ensure resource files are referenced relative to the compiled app’s working directory.
- Include all assets (CSS, JS, images) in the compiler project settings or the same folder structure.
- Open developer console (if available) or log errors to a file to identify missing files or 404s.
- If the HTML relies on external URLs, verify network access and update CSP/security settings.
4. Features relying on JavaScript or plugins fail in the compiled app
- Cause: Browser engine differences, disabled features, or sandbox restrictions.
- Fixes:
- Confirm which embedded browser engine eWriter uses and test compatibility with your scripts.
- Polyfill missing APIs or modify scripts to avoid unsupported features.
- Check compiler options for enabling plugin support, node integration, or allowing eval/inline scripts.
- Move critical logic to a supported context (e.g., use the app’s native bridge or backend) if necessary.
5. Licensing, registration, or activation errors
- Cause: Incorrect license key, expired license, or offline activation issues.
- Fixes:
- Verify the license key exactly (no extra spaces) and confirm it matches the installed version.
- Check for version-specific license requirements or recent updates that changed activation.
- If offline, follow the vendor’s offline activation steps; for online activation, ensure outbound network access.
- Contact vendor support with purchase info and error screenshots if problems persist.
6. Performance issues (slow startup, high memory/CPU)
- Cause: Heavy resources, inefficient scripts, or memory leaks in embedded engine.
- Fixes:
- Profile the app to find slow scripts or large resources; optimize images and minify JS/CSS.
- Defer non-critical work until after startup; lazy-load large components.
- Reduce concurrency or intensive timers; fix memory leaks in JS (unregister event handlers).
- Rebuild with production optimizations and a smaller embedded engine profile if available.
7. Debugging tips and diagnostic steps
- Checklist:
- Reproduce the issue on a development build with source files included.
- Use console logs, file-based logging, and try/catch blocks to capture errors.
- Test on multiple Windows versions and user accounts.
- Compare a minimal “Hello World” build to isolate whether the problem is environmental or project-specific.
- Check antivirus/quarantine logs and Windows Event Viewer for errors.
- Keep compiler and runtime dependencies updated; review release notes for breaking changes.
8. When to contact vendor support
- Contact support if:
- You encounter license/activation failures not resolved by the above steps.
- The compiler itself crashes with internal errors or stack traces.
- You need access to signed builds, official patches, or confirmed bug fixes.
- What to include: product version, OS version, reproduction steps, logs/screenshots, and sample project if possible.
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