Fix Some Update Files aren’t signed correctly

You may face this error while trying to update your Windows 10 to latest build. The error code associated with this error is (0x800b0109), indicating that the Update you are trying to download or install is either corrupted or damaged. The update is not corrupted or damaged from Microsoft servers but on your PC.

The error message says “Some update files aren’t signed correctly. Error code: (0x800b0109)” which means you won’t be able to update your Windows because of this error. So without wasting any time let’s see how to actually Fix Some Update Files aren’t signed correctly issue while updating Windows with the help of below-listed troubleshooting guide.

Fix Some Update Files aren’t signed correctly

Vergewëssert Iech e Restauratiounspunkt ze kreéieren just am Fall wou eppes falsch geet.

Method 1: Run Windows Update Troubleshooter

1. An Kontroll Rot Sich Troubleshooting an der Sichbar uewe riets a klickt op Troubleshooting.

2. Nächst, aus der lénker Fënster, Fënster wielt Kuckt alles.

3. Dann aus der Troubleshoot Computer Problemer Lëscht wielt Windows Update.

4. Follegt d'Instruktioune um Bildschierm a loosst de Windows Update Troubleshoot lafen.

5. Restart Äre PC a kucken ob Dir kënnt Fix Some Update Files aren’t signed correctly while updating Windows 10.

Method 2: Run SFC

1. Open Kommando Prompt. De Benotzer kann dëse Schrëtt ausféieren andeems Dir no sicht 'cmd' an dann Press Gitt.

2. Gidd elo déi folgend am cmd a dréckt Enter:

Sfc /scannow sfc /scannow /offbootdir=c: /offwindir=c:windows (Wann uewen klappt, probéiert dës)

3. Waart fir den uewe genannte Prozess bis fäerdeg an eemol gemaach, Restart Äre PC.

Method 3: Run DISM (Deployment Image Servicing and Management)

1. Open Kommando Prompt. De Benotzer kann dëse Schrëtt ausféieren andeems Dir no sicht 'cmd' an dann Press Gitt.

2. Gitt de folgende Kommando an cmd a klickt op Enter no all eenzel:

Dism /Online /Cleanup-Image /CheckHealth Dism /Online /Cleanup-Image /ScanHealth Dism /Online /Cleanup-Image /RestoreHealth

3. Loosst de DISM Kommando lafen a waart bis et fäerdeg ass.

4. Wann de uewe genannte Kommando net funktionnéiert, probéiert dann op der ënnen:

Dism /Image:C:offline /Cleanup-Image /RestoreHealth /Source:c:testmountwindows Dism /Online /Cleanup-Image /RestoreHealth /Source:c:testmountwindows /LimitAccess

Opgepasst: Ersetzt de C:RepairSourceWindows mat Ärer Reparaturquell (Windows Installatioun oder Erhuelung Disc).

5. Restart Äre PC fir Ännerungen ze späicheren a kucken ob Dir fäeg sidd Fix Some Update Files aren’t signed correctly while trying to update Windows 10, wann net dann weider op déi nächst Method.

Method 4: Registry Fix

Backup Registry before moving forward, just in case something goes wrong you could easily restore the registry.

1. Press Windows Key + R dann Typ regedit a klickt Enter fir de Registry Editor opzemaachen.

2. Navigéiert op de folgende Registry Schlëssel:

HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsWindowsUpdate

3. Riets-klickt op WindowsUpdate key a wielt Läschen.

4. Close Registry Editor and again press Windows Key + R then type services.msc a gitt Enter.

5. Fannen Windows Update and Background Intelligent Transfer Service in the list. Then right-click on each of them and select Neistart.

6. This would restart Windows Update and Background Intelligent Transfer Service.

7. Again try to update your Windows, if it still fails, then reboot your PC and update Windows.

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Dat ass et, Dir hutt erfollegräich Fix Some Update Files aren’t signed correctly while updating Windows 10 to latest build but if you still have any questions regarding this post feel free to ask them in the comment’s section.