Critical
Operating Systems
✓ Solution Verified by Community (0+ upvotes)
Error Code 0x00000003 — Windows 11
Bug Check 0x00000003: INVALID_AFFINITY_SET — An invalid processor affinity was specified.
Oprava založena na komunitních zprávách a expertní analýze. Naposledy ověřeno: 2026-08-12
· Jak ověřujeme opravy
| Error Code | 0x00000003 |
|---|---|
| Affected System | Windows 11 (Microsoft) |
| Difficulty | Critical |
| Estimated Time | 45 min |
| Requires Admin Rights | ⚠️ Yes |
| Requires Reboot | 🔄 Yes |
Postup řešení
- 1 Press Windows key + R, type 'msinfo32', and press Enter. In System Information, check the 'Processor' field. Note the exact model and number of cores. This helps you verify that your system recognizes the correct CPU.
- 2 Press Windows key + X and select 'Device Manager'. Expand 'Processors'. You should see multiple entries (one per core). If you see fewer than expected, or if any have a yellow exclamation mark, your CPU may not be properly installed or drivers are missing. Right-click each processor and select 'Update driver'.
- 3 Press Windows key + R, type 'msconfig', and press Enter. Go to the 'Boot' tab, click 'Advanced options', and check 'Number of processors'. If it's set to a specific number, uncheck it to allow Windows to use all cores. Click OK and restart.
- 4 Open Command Prompt as administrator (Win+R, type 'cmd', press Ctrl+Shift+Enter). Type 'bcdedit /deletevalue useplatformclock' and press Enter. This removes a forced platform clock setting that can cause affinity issues. Restart your PC.
- 5 If you recently overclocked your CPU, reset your BIOS to default settings. Restart your PC and press the key to enter BIOS (usually Del, F2, or F12). Look for 'Load Optimized Defaults' or 'Reset to Default' and confirm. Save and exit.
- 6 Run the System File Checker: In Command Prompt, type 'sfc /scannow' and press Enter. This repairs corrupted system files that might be causing the issue. Restart after completion.
- 7 If the error persists, check for BIOS updates. Visit your motherboard manufacturer's website and download the latest BIOS for your model. Follow their instructions to update. An outdated BIOS can cause CPU compatibility issues.
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