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OpenWithGuard

Keep your default Windows apps from being hijacked

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Tired of Windows updates or rogue apps hijacking your default PDF reader, browser, or media player? OpenWithGuard gives you full control back. It lets you lock your preferred apps for file types and web links, and automatically restores them whenever another program tries to silently take over. Key features: • 1-click category protection (PDF, Media, Archives, etc.) • Browser and URL link lock • 100% local-first & privacy-friendly: rules stay on your PC

PH · launched Sep 14, 2026 · 1 upvote (top 69%) · 1 view

Niche: desktop environment and customization software · 283 launches, 13 in the last 7 days ▼ -43% · Explore this niche →

Category and tags
  • Security
  • Workflow automation
  • Prosumer
  • Not AI
  • Commercial product
  • Windows
  • Productivity
  • Developer Tools

Visit website ↗ Source listing ↗

More like this: all 283 launches in desktop environment and customization software →

Could you build this?

Partial While an Electron or Tauri UI is straightforward, actively monitoring, intercepting, and locking Windows registry default app associations requires low-level Windows API handling and admin-level registry hooks.

What it would actually take: The app requires C++ or C# with P/Invoke to hook into the Windows Registry and Shell APIs (such as IApplicationAssociationRegistration, UserChoice hashes introduced in Windows 8+, and Shell hooks). It must run as a background Windows Service with SYSTEM/Administrator privileges to detect RegNotifyChangeKeyValue events and combat Windows' internal UserChoice protection algorithms designed specifically to prevent programmatic hijacking.

Competitors

Other products that read as similar to this one : 394 launches clear the similarity bar, closest 8 shown.

Attention rank: #323 of 395 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 238 days after the earliest competitor.

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.