Products & Services

Professional applications and custom development solutions built by x2y devs

x2y AV Ultimate

Windows

Real-Time Security & System Integrity for Windows. Professional-grade antivirus with hybrid architecture combining native performance with cloud intelligence for genuine system protection.

Get X2y_AV_Ultimate from Microsoft Store

Screenshots

x2y AV - New Scanx2y AV - Persistence Auditorx2y AV - Network Monitorx2y AV - Quarantine Vault

Installer Handling Documentation

Reference guide for x2y AV Ultimate installation return codes and troubleshooting

System Error Codes (1000-1299)

ScenarioReturn CodeNotes
Application already exists183Cannot create a file when that file already exists
Package rejected/Policy1260This program is blocked by group policy

System Error Codes (0-499) & MsiExec.exe

ScenarioReturn CodeNotes
Installation successful0Installer completed without errors
Access denied5User lacks sufficient privileges (needs Admin)
Invalid parameter87Incorrect command-line argument passed to EXE
Disk space full112Not enough free disk space to complete installation
Installation cancelled by user1602User pressed "Cancel" during installation
Installation already in progress1618Another installer is running; wait until it completes
Reboot required (soft)3010Changes will not be effective until restart
Reboot required (hard)1641Installer has initiated a restart
Incompatible OS1633Not supported by this processor type or OS version

Network-Specific Failure Codes (WinInet)

Used when installer needs to fetch data from cloud storage (R2 buckets, etc.)

ScenarioError NameCodeDescription
DNS resolution failedERROR_INTERNET_NAME_NOT_RESOLVED12007Server name (DNS) cannot be resolved
Connection timeoutERROR_INTERNET_TIMEOUT12002Request has timed out
No internet accessERROR_INTERNET_NO_CONNECTION12029Attempt to connect to server failed
SSL/TLS certificate errorERROR_INTERNET_SECURITY_CHANNEL_ERROR12175SSL/TLS error; internal error loading SSL libraries
Invalid URLERROR_INTERNET_INVALID_URL12005URL scheme not recognized or invalid
Connection abortedERROR_INTERNET_CONNECTION_ABORTED12030Connection with server terminated
Connection resetERROR_INTERNET_CONNECTION_RESET12031Connection with server was reset
Invalid server responseERROR_HTTP_INVALID_SERVER_RESPONSE12152Server response could not be parsed

Documentation: WinInet Error Codes (12001-12156)

Installation & Support Documentation

Complete installation guide, system requirements, error codes, and troubleshooting assistance.

x2y Authenticator

Android

Designed with paramount security and user privacy in mind, x2y Authenticator offers a robust solution for managing your Two-Factor Authentication (2FA) codes with dual-vault protection, panic backup, stealth mode, and WiFi companion features.

Dual Vault System

Real vault for authentic accounts and stealth vault for decoy accounts

Panic Backup

Generate encrypted recovery keys to restore all accounts instantly

Stealth Mode

Decoy PIN shows fake accounts to protect your real data if forced to unlock

WiFi Companion

Stream 2FA codes to your PC browser for convenient desktop access

Screenshots

x2y Authenticator - PIN Entryx2y Authenticator - Vault PINx2y Authenticator - Stealth Modex2y Authenticator - How It Worksx2y Authenticator - WiFi Companionx2y Authenticator - Panic Backupx2y Authenticator - Vault Settingsx2y Authenticator - Empty Statex2y Authenticator - Add Account

Custom App Development Services

We develop professional, high-performance applications tailored to your business needs across all major platforms.

Android Development

Native Android applications built with Kotlin and Java, optimized for performance and user experience.

  • ✓ Native & Cross-platform apps
  • ✓ Real-time features & notifications
  • ✓ Secure authentication & encryption
  • ✓ Firebase & backend integration

iOS Development

Premium iOS applications using Swift, designed for optimal performance and Apple ecosystem integration.

  • ✓ SwiftUI & UIKit development
  • ✓ App Store optimization
  • ✓ CloudKit & iCloud integration
  • ✓ Advanced security features

Windows Development

Robust Windows desktop applications using C#, WPF, and native APIs for enterprise-grade solutions.

  • ✓ WPF & Windows Forms apps
  • ✓ System utilities & tools
  • ✓ Registry & file system access
  • ✓ Performance optimization

macOS Development

Native macOS applications built with Swift and Objective-C, following Apple design guidelines.

  • ✓ SwiftUI & Cocoa development
  • ✓ Menu bar & system integration
  • ✓ Sparkle auto-updates
  • ✓ notarization & code signing

Let's Build Your App

Have an app idea? We'd love to help bring it to life. Whether you need a simple utility or a complex application, our team is ready to discuss your project.

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