Medium Operating Systems ✓ Solution Verified by Community (0+ upvotes)

Error Code error-invalid-flag-number — Windows 11

ERROR_INVALID_FLAG_NUMBER = 186

65% úspěšnost
👥 0+ uživatelů ověřilo
📅 Aktualizováno: 2026-08-12
⏱️ 45 min čtení
Oprava založena na komunitních zprávách a expertní analýze. Naposledy ověřeno: 2026-08-12 · Jak ověřujeme opravy
Error Codeerror-invalid-flag-number
Affected SystemWindows 11 (Microsoft)
DifficultyMedium
Estimated Time45 min
Requires Admin Rights⚠️ Yes
Requires Reboot🔄 Yes

Postup řešení

  1. 1 Update the program that's causing the error. Visit the software vendor's website and download the latest version. Outdated software often uses outdated flags that newer Windows versions no longer support.
  2. 2 Update your Windows operating system. Press Win+I to open Settings, go to Windows Update, and click 'Check for updates'. Install all available updates, then restart. This ensures your system has the latest API definitions.
  3. 3 Update your device drivers, especially graphics and chipset drivers. Use Device Manager (Win+X → Device Manager) and update each device. Alternatively, use Windows Update to get driver updates.
  4. 4 If the error occurs in a specific application, try running it in compatibility mode. Right-click the program's shortcut, select 'Properties', go to the 'Compatibility' tab, and check 'Run this program in compatibility mode for' and select an older Windows version like Windows 8 or 7. This can trick the program into using older API behaviors.
  5. 5 If the error persists, check if the program is 32-bit and you're on 64-bit Windows. Some 32-bit programs have issues. You can try installing the 64-bit version if available.

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