Medium
Operating Systems
✓ Solution Verified by Community (0+ upvotes)
Error Code 0x80070520 — Windows 11
ERROR_NO_SUCH_LOGON_SESSION: A specified logon session does not exist.
Oprava založena na komunitních zprávách a expertní analýze. Naposledy ověřeno: 2026-08-12
· Jak ověřujeme opravy
| Error Code | 0x80070520 |
|---|---|
| Affected System | Windows 11 (Microsoft) |
| Difficulty | Medium |
| Estimated Time | 60 min |
| Requires Admin Rights | ⚠️ Yes |
| Requires Reboot | 🔄 Yes |
Postup řešení
- 1 First, try logging off and back on. Press Windows key + L to lock your screen, then click your profile and log in again. This refreshes your logon session.
- 2 If that doesn't work, restart your PC. Sometimes a simple reboot clears temporary session issues.
- 3 Check if your user profile is corrupted: Press Windows key + R, type 'regedit', and press Enter. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList. Look for a key that ends with '.bak' — if you see one, your profile might be corrupted. Rename it by removing the '.bak' extension (but only if you're sure). This is risky, so create a restore point first.
- 4 Create a new user profile: Go to Settings → Accounts → Family & other users → Add account. Create a new local account, then log into it and copy your files from the old profile. This is a safer fix.
- 5 If the error occurs with a specific app, try running it as administrator: Right-click the app and select 'Run as administrator'.
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