0x80070056_
Update Failed � Invalid Password
Seeing 0x80070056 on Windows 10/11 means the OS detected "Update Failed � Invalid Password". Before reinstalling anything, work through the steps below — the fix is often simpler than it looks.
What Actually Happened
Windows 10/11 tried to install an update and the specific system condition behind it was 'the specified network password is not correct'. Clearing the update cache and retrying resolves the majority of cases.
Symptoms
A Windows Update install fails or rolls back with error 0x80070056, sometimes after a restart loop
Common Causes
- The underlying Win32 condition ERROR_INVALID_PASSWORD (the specified network password is not correct) was raised while staging or applying the update
- The Windows Update cache (SoftwareDistribution) holds a stale or corrupted entry
- Insufficient free disk space to stage the update package
- A third-party antivirus or a Group Policy restriction is blocking the installer
How to Fix It
-
01
Run the built-in Windows Update Troubleshooter (Settings > System > Troubleshoot)
-
02
Stop the Windows Update service:
net stop wuauserv && net stop bits -
03
Rename the cache folder:
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old -
04
Restart services:
net start wuauserv && net start bits -
05
Run system repair:
sfc /scannow && DISM /Online /Cleanup-Image /RestoreHealth
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Root Cause Breakdown
0x80070056 is the HRESULT wrapping of Win32 error 86 (ERROR_INVALID_PASSWORD): the specified network password is not correct. The servicing stack (CBS) failed to complete the staging phase.
Should You Worry?
Safe to keep using your PC normally while working through the fix.
Power-User Tip
Before running DISM, renaming C:\Windows\SoftwareDistribution to SoftwareDistribution.old clears 80% of 0x80070056 failures instantly.
DIY fix: $0; Paid remote tech support if DISM repair fails: $40�$90