How to fix Windows update error 0x800f0816?

Error 0x800f0816 means Windows stopped while it was unpacking and staging an update, so the update is not installed. It is a servicing code, and the real reason is usually written a few lines higher in CBS.log. Restart the PC fully and run Windows Update again first.

Facts checked on 16 October 2026. Steps written for Windows 11 (25H2 and 26H2) and Windows 10 22H2.

What Windows update error 0x800f0816 means

0x800f0816 belongs to Component Based Servicing (CBS), the part of Windows that installs updates, drivers and Windows features. In CBS.log its name is CBS_E_DPX_JOB_STATE_SAVED. DPX is the part of servicing that unpacks update packages. The name says the unpacking job was stopped and its state was saved, so the update could not be staged in this attempt.

Microsoft does not explain the code on any support page we found, and it is not in Microsoft's Windows Update error code list. What the logs posted on Microsoft Q&A show is consistent: the code appears on the lines Failed to stage execution chain and Failed to process single phase execution, and right after them CBS writes Reboot mark cleared.

Why error 0x800f0816 appears

The causes are ordered from the most likely to the least likely. They follow from what the code means and from the logs posted on Microsoft's forums. We could not find a Microsoft page that ranks them.

How to fix error 0x800f0816

Fix 1 solves the error when the staging was only interrupted. Fix 2 tells you which of the other fixes to use, because the real cause is in CBS.log. Fix 3 and Fix 4 are for one update that keeps failing, and Fix 5 and Fix 6 are the general repairs.

Fix 1. Restart the PC fully and run Windows Update again

5 to 20 minutesNo riskEveryone, first. Especially when the update failed once, or Windows Update shows a restart button.

The code says the staging job was saved, not that it is impossible. A full restart clears the interrupted servicing work, and the next attempt unpacks the update from the start.

1. Save your work and close open apps.
2. Open Settings > Windows Update. If you see Restart now, select it.
3. If there is no such button, open Start, select the Power button and then Restart. Do not use Shut down or Sleep.
4. Wait while Windows shows Working on updates. Do not turn the PC off during this screen.
5. Sign in, open Settings > Windows Update and select Check for updates.
6. Let the failed update download and install again. Keep a laptop plugged in.

Fix 2. Find the real error above 0x800f0816 in CBS.log

5 to 10 minutesNo riskThe update failed again after a full restart. This takes five minutes and tells you which of Fix 3 to Fix 6 to use.

0x800f0816 is often written after another servicing error. The first failure in the same attempt is the cause, and it decides the fix.

1. Right after the failed update, press Win + R, type %windir%\Logs\CBS and press Enter.
2. Copy CBS.log to the Desktop. Windows keeps the original in use, so open only the copy.
3. Open the copy in Notepad, press Ctrl + End to go to the newest lines, then press Ctrl + F.
4. Search upwards for 0x800f0816. You should find Failed to stage execution chain and Failed to process single phase execution.
5. Read the 20 to 50 lines above that hit. Look for the first line marked Error or a different HRESULT.
6. Note that code and any KB number or package name near it, and use the table below.

Fix 3. Reset the Windows Update components and download the update again

10 minutesLow riskThe same KB fails with 0x800f0816 at every retry, and CBS.log shows no clear other cause or a damaged file.

Windows reuses the files in its update cache at every retry. If those files are damaged, unpacking fails again in the same place. Renaming the cache folders makes Windows download the update from the start.

1. Open Command Prompt as administrator. Type cmd in the search box, right-click Command Prompt and select Run as administrator. Select Yes when Windows asks for permission.
2. Stop the update services. Type the commands below and press Enter after each one. If Windows says that other services depend on Cryptographic Services, it stops them too. A message that a service is not started is fine.

   net stop wuauserv
   net stop bits
   net stop cryptsvc

3. Delete the download queue files. This clears the list of downloads that the Background Intelligent Transfer Service keeps. If Windows says it cannot find the files, continue.

   del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\qmgr*.dat"

4. Rename the update cache folders. Renaming keeps a copy in case you need it; Windows creates new, empty folders when the services start again. If you get Access is denied, a service is still running: repeat the previous step.

   ren %systemroot%\SoftwareDistribution SoftwareDistribution.old
   ren %systemroot%\System32\catroot2 catroot2.old

5. Start the services again. Type the commands below and press Enter after each one. The requested service has already been started is fine: Windows started it on its own.

   net start cryptsvc
   net start bits
   net start wuauserv

6. Restart and check for updates. Restart the PC. Then select Start > Settings > Windows Update > Check for updates. The first check can take longer than usual because everything is downloaded again.

These steps were written for Windows 11 and Windows 10 (the steps are the same). The full page with the other versions and what each result means: Reset Windows Update components

After the reset, open Services and check that Windows Update, Background Intelligent Transfer Service and Cryptographic Services are not set to Disabled. A disabled service stops the new download.

Fix 4. Install the failing update by hand from the Microsoft Update Catalog

15 to 30 minutesLow riskOne KB fails with 0x800f0816 after Fix 1 and Fix 3, and other updates install.

A fresh .msu file from the catalog is a complete package that does not depend on the Windows Update cache. If it does not match the PC, the standalone installer says so in words instead of a code.

Note the KB number of the failed update in Update history first. The procedure below finds the right file for your Windows version and installs it.

1. Check your Windows version. Press Windows key + R, type winver and press Enter. Note the version (for example 25H2) and the OS build.
2. Find the KB number. Open Settings > Windows Update. A failed or pending update is listed with its KB number; earlier ones are under Update history.
3. Check the processor type. Open Settings > System > About and look at System type: an x64-based PC needs the x64 file, an ARM-based PC (for example Snapdragon) needs the arm64 file.
4. Search the catalog. Open the Microsoft Update Catalog at catalog.update.microsoft.com in your browser, type the KB number (for example KB5124010) in the search box and press Enter.
5. Pick the right row. Find the row whose title names your Windows version and your processor type (x64-based or arm64-based) and select Download on that row.
6. Download every file listed. A window lists one or more .msu links. Download all of them into one empty folder, for example C:\packages. On Windows 11 24H2 and later the list can include earlier checkpoint updates that the new one needs.
7. Install a single file. If there is only one file, double-click it and confirm the installation in the Windows Update Standalone Installer.
8. Install several files with DISM. If there are several files, open an elevated Terminal or Command Prompt and run DISM with the newest file. DISM finds the other files in the same folder and installs them in the right order.

   DISM /Online /Add-Package /PackagePath:C:\packages\<newest-file>.msu

9. Restart. Restart the PC when the installation finishes, then run winver again: the OS build should have changed.

These steps were written for Windows 11 24H2 and later; Windows 10 22H2. The full page with the other versions and what each result means: Install an update from the Microsoft Update Catalog

Fix 5. Repair the component store and system files with DISM and SFC

15 to 40 minutesNo riskCBS.log names missing or corrupt components, such as 0x80073701, or Fix 3 and Fix 4 did not help.

An update is unpacked on top of the components already in the store. If one of them is missing or damaged, staging stops. DISM with RestoreHealth replaces damaged components, and SFC then repairs system files.

1. Open an elevated command window. Right-click Start and select Terminal (Admin), or type cmd in the search box, right-click Command Prompt and select Run as administrator. Select Yes when Windows asks for permission.

   

2. Run DISM first. Type the command below and press Enter. DISM downloads clean copies of damaged components from Windows Update, so it can take several minutes. Wait until it says The operation completed successfully.

   DISM.exe /Online /Cleanup-Image /RestoreHealth

   

3. Run System File Checker. In the same window, type the command below and press Enter. Do not close the window until the verification reaches 100%.

   sfc /scannow

   

4. Read the result and restart. Compare the last message with the table below this guide, then restart the PC so that repaired files are loaded.

   

These steps were written for Windows 11 24H2 and 25H2. The full page with the other versions and what each result means: Run DISM and SFC to repair Windows system files

Fix 6. Reinstall Windows over itself and keep your apps and files

1 to 2 hoursLow riskEvery update fails with 0x800f0816 for weeks, and Fix 1 to Fix 5 did not help.

A repair reinstall replaces the servicing stack, the component store and the update state with a clean copy of the same Windows version, so the next update has a working base. Apps, files and settings stay.

1. Open Recovery in Settings. Open Settings > System > Recovery. Next to Fix problems using Windows Update, select Reinstall now. This keeps your apps, files and settings.

   

2. Start the reinstall. Choose whether the PC may restart on its own 15 minutes after the installation, then select OK.
3. Wait and restart. Windows Update downloads and installs a repair copy of your current Windows version. Keep the PC plugged in and online, and restart it when asked.

These steps were written for Windows 11 22H2 and later. The full page with the other versions and what each result means: Reinstall Windows without losing files

If Fix problems using Windows Update is missing, download the Windows installation files from Microsoft, run setup and choose Upgrade this PC now or Keep personal files and apps.

If error 0x800f0816 is still there

Collect the facts before you try anything bigger. Support staff and administrators need the same few things to find the cause.

• The KB number from Settings > Windows Update > Update history.
• The Windows version and build: press Win + R, type winver and press Enter.
• A copy of C:\Windows\Logs\CBS\CBS.log taken right after a failed attempt, and the other HRESULT you found in Fix 2.
• Whether the same file from the Microsoft Update Catalog also failed (Fix 4).

How to keep error 0x800f0816 from coming back

Frequently asked questions

What does error 0x800f0816 mean?

It means Windows stopped while unpacking and staging an update, and saved the job instead of finishing it. Its name in CBS.log is CBS_E_DPX_JOB_STATE_SAVED, and it comes from the servicing stack that installs updates, not from the Windows Update download client. The update is not installed. A full restart and a new attempt fix it in many cases. When it returns, the real reason is usually another error a few lines higher in CBS.log.

Is 0x800f0816 a download error?

No. The update was downloaded, and the failure happens when Windows unpacks and stages it. That is why the message says Install error, not Download error. A damaged download can still be the reason, because Windows reuses the files in its cache. Resetting the Windows Update components in Fix 3 removes that cache, so the update is downloaded again from the start.

Why is 0x800f0816 not in Microsoft's error code list?

Microsoft's Windows Update error code list covers the codes of the Windows Update client, such as the 0x8024 family. Codes that start with 0x800f08 belong to Component Based Servicing, which actually installs the packages. They appear in CBS.log under their own names, such as CBS_E_DPX_JOB_STATE_SAVED, but Microsoft does not describe each of them on a support page. We could not find an official description of this one.

How do I fix 0x800f0816 on Windows 7?

Windows 7 lost support on 14 January 2020, so most of its updates are no longer offered, and fixing this error there brings little. In 2011 users reported 800F0816 on Windows 7 and Vista with updates such as KB2507938 and KB2533623. One of them ran the troubleshooter, SFC, a clean boot and the System Update Readiness Tool KB947821, and the update still failed. If you must keep Windows 7, read CBS.log as in Fix 2. Moving to a supported Windows is the real solution.

Will the Windows Update troubleshooter fix 0x800f0816?

Rarely. The troubleshooter restarts services and clears some settings, but it does not repair a damaged component or redo an interrupted staging. A user on Microsoft's forum reported that it said it had fixed a problem while the update still failed. A full restart in Fix 1 and the cache reset in Fix 3 do the same useful parts more reliably.

Can I hide or skip the update that fails with 0x800f0816?

You can pause updates in Settings > Windows Update for a few weeks, but you should not skip a security or cumulative update for good. Monthly cumulative updates include the fixes of earlier months, so the next one may install even when an older one failed. If it fails too, the cause is on the PC, and Fix 2 to Fix 5 apply.

Will a repair reinstall delete my files?

No, not the repair reinstall in Fix 6. Fix problems using Windows Update, and Windows Setup with Keep personal files and apps or Upgrade this PC now, reinstall the same Windows version and keep apps, files and settings. Reset this PC with Keep my files is different: it keeps your files but removes installed apps. Back up the files you cannot lose before any reinstall.

Should I turn off my antivirus to fix 0x800f0816?

No. No source ties this servicing code to security software, and turning protection off leaves the PC exposed without touching the cause. Restart, read CBS.log, reset the update cache and repair the component store. If you suspect another program interferes with updates in general, test with a clean boot instead: How to perform a clean boot in Windows.

Is 0x800f0816 the same as 0x800f0806 or 0x800f0826?

No. They are different codes from the same servicing family. 0x800f0806 is CBS_E_PENDING, which means earlier work still waits for a restart, and it has its own guide: 0x800f0806. We could not confirm the meaning of 0x800f0826 from a Microsoft source. A full restart helps with all of them, but the later fixes differ, so check the exact code in Update history.