Before you begin
Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.
Work through these checks
0 of 3 complete01Verify your system architecture (32-bit or 64-bit) in system settings.
- Verify your system architecture (32-bit or 64-bit) in system settings.
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
02Manually download the correct update package directly from the Microsoft Update Catalog.
- Manually download the correct update package directly from the Microsoft Update Catalog.
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
03Install the latest official Servicing Stack Update (SSU) before applying cumulative patches.
- Install the latest official Servicing Stack Update (SSU) before applying cumulative patches.
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
Possible causes
- Mismatch between the update package architecture (x86/x64) and the installed Windows version.
- Missing Servicing Stack Updates (SSU) that are prerequisites for the current cumulative update.
- Attempting to install an update meant for a different version of Windows OS.
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