Windows 8 error 0x0070057 is reported in a Windows Update failure context. The documented first repair is System File Checker (SFC); if that does not clear the failure, reset Windows Update components using Microsoft’s procedure. Because the code does not have a formally established definition in the cited support thread, verify the complete hexadecimal code and message before applying these steps.
What error 0x0070057 means
A Microsoft support responder stated that Windows Update error 0x0070057 “could occur due to corrupt system files” and that “there could be an issue with the Software Distribution folder for Windows Update.” Those are possible causes, not a confirmed diagnosis for every computer. The same code should not be assumed to mean the same thing when it appears in another Windows operation.
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Start by opening Windows Update history and copying the full code, including the leading 0x, together with the complete failure message. A transcription error can send you down the wrong repair path.
Choose the repair path that matches your symptoms
| Path | Use it when | What it changes or tests | Boot requirement |
|---|---|---|---|
| SFC scan | The failure is limited to Windows Update or you suspect damaged protected Windows files | Checks protected system files and replaces repairable copies from the Windows component store | Windows starts normally or you can open an elevated Command Prompt |
| Windows Update component reset | SFC does not resolve the update failure | Clears and rebuilds Windows Update state, including the SoftwareDistribution-related components covered by Microsoft’s procedure | Normally requires a working Windows session |
| Safe Mode and clean boot | The update failure is accompanied by intermittent freezes or lockups | Temporarily loads fewer drivers and services, then isolates a third-party startup item or service | Windows must reach the recovery or startup-options menus |
| System Restore from recovery media | Windows will not boot after the failed update | Rolls system files and settings back to an earlier restore point without relying on a normal desktop session | Windows DVD or System Repair Disc is required |
Before changing anything
- Write down the exact code and message from Windows Update history.
- Save open work and copy important personal files to another drive if Windows is unstable.
- If a step calls for registry changes, export the relevant registry data first. Do not edit a key or value unless Microsoft’s instructions identify it precisely.
- Disconnect unnecessary USB devices while troubleshooting. Leave the keyboard, mouse and network connection you need for the test.
Step 1: Run System File Checker
SFC is the first repair step recommended in the Microsoft support thread because corrupted protected files can interfere with Windows Update.
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- Sign in with an administrator account.
- From the Windows 8 Start screen, type Command Prompt.
- Right-click Command Prompt in the results and select Run as administrator. Approve the User Account Control prompt.
- At the elevated prompt, enter
sfc /scannowand press Enter. - Allow the scan to reach 100 percent. Do not close the window or restart while it is still checking.
- Record the final message, restart the computer, and try the same Windows Update operation again.
How to read the SFC result
- Windows Resource Protection did not find any integrity violations: SFC did not detect protected-file corruption. Continue to the Windows Update component reset if the same code returns.
- Windows Resource Protection found corrupt files and successfully repaired them: Restart before testing Windows Update. The update failure may have been caused by the repaired files, but the result is not a guarantee.
- Windows Resource Protection found corrupt files but was unable to fix some of them: Keep the message for your records and proceed cautiously. Do not delete system files manually; use the component-reset procedure or recovery options instead.
Step 2: Reset Windows Update components
If the error remains after SFC, use Microsoft’s documented Manually reset Windows Update components procedure. The support answer points to that procedure because damaged Windows Update state or the SoftwareDistribution folder may be involved.
- Find Microsoft’s support article titled Manually reset Windows Update components for Windows 8.
- Read the entire procedure before entering any command. The reset can stop Windows Update services, rename or recreate update folders, and in some versions involve registry changes.
- Open an administrator Command Prompt only when the procedure tells you to do so, and enter each command exactly as shown for Windows 8.
- If the instructions require registry work, export the specified key or branch before changing it. Use a descriptive export name and save it somewhere you can reach if Windows later fails to start.
- Do not substitute a key, value, folder or command from a different Windows version. Stop if the Microsoft procedure does not identify the exact item to change.
- Restart Windows after the reset finishes, then run Windows Update and check whether the original code and message return.
If the reset appears to make the problem worse
Undo only the change that Microsoft’s procedure documents for reversal. If Windows still starts, open the exported registry file only when you are certain it is the backup created before the change. If Windows will not start, use the recovery path in the next section rather than repeatedly editing the registry.
Step 3: Check for third-party interference with Safe Mode and a clean boot
The Microsoft thread recommends Safe Mode followed by a clean boot when the computer also freezes intermittently. These tests do not prove that a service is defective; they show whether the failure disappears when most third-party startup components are excluded.
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Enter Safe Mode
- Save work and restart.
- Use the Windows 8 recovery or startup-options screen to choose Troubleshoot, then Advanced options, then Startup Settings, and restart to display the numbered choices.
- Choose Safe Mode (or Safe Mode with Networking only if you need network access for the test).
- In Safe Mode, note whether the freezes and Windows Update failure still occur.
If the machine is stable in Safe Mode but freezes during a normal start, a third-party service, driver or startup program is a plausible source of interference.
Perform a clean boot
- Return to a normal Windows session and sign in as an administrator.
- Open the System Configuration utility, hide Microsoft services, and disable the remaining non-Microsoft services for the test.
- Use Task Manager’s Startup area to disable nonessential startup programs.
- Restart and test Windows Update and system stability.
- If the issue disappears, re-enable disabled items in small groups, restarting after each group, until the interfering item is identified.
- Restore normal startup settings after testing. A clean boot is a diagnostic state, not a permanent configuration.
Step 4: Recover Windows when it will not boot
If the failed update leaves Windows unable to start normally, the cited recovery route uses Windows installation media or a System Repair Disc.
- Insert a Windows 8 installation DVD or System Repair Disc that matches the computer’s Windows edition and architecture as closely as possible.
- Start the computer from the disc. You may need to select the optical drive in the firmware boot menu.
- At the setup screen, select Repair your computer rather than installing Windows.
- Choose Troubleshoot, then Advanced options, then System Restore.
- Select a restore point created before the update failure and follow the on-screen prompts.
- Restart without the disc and test whether Windows starts and whether Windows Update still reports 0x0070057.
System Restore affects system files, drivers and settings installed after the selected restore point. It is not a substitute for a current backup of personal files.
Quick Recap
What to do after each test
- SFC repaired files and the update succeeds: Keep the SFC result and date in your notes; no further reset is needed for this incident.
- SFC reports no violations but the code remains: Use Microsoft’s Windows Update component-reset procedure rather than repeating SFC indefinitely.
- The error occurs only with freezing: Complete the Safe Mode and clean-boot isolation steps before making additional system changes.
- Windows cannot boot: Stop running desktop repairs and use System Restore through installation or repair media.
- The code changes or appears in another application: Recheck the full message. The documented evidence concerns a Windows Update failure, not every occurrence of a similar-looking hexadecimal string.
Common mistakes to avoid
- Deleting the SoftwareDistribution folder or registry entries by guesswork instead of following Microsoft’s reset procedure.
- Skipping the registry export before a component reset that includes registry changes.
- Assuming a successful SFC scan proves that Windows Update components are healthy; SFC checks protected files, while the reset addresses update state.
- Leaving the computer in a clean-boot configuration after troubleshooting, which can prevent expected services and startup programs from loading.
- Using recovery media from an incompatible Windows edition or architecture without checking compatibility first.
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