0x80070037_
Update Failed � Dev Not Exist
If your Windows 10/11 machine is throwing 0x80070037, the system has flagged a fault identified as "Update Failed � Dev Not Exist". Understanding the root cause helps you avoid an unnecessary reinstall.
What Actually Happened
Windows 10/11 tried to install an update and the specific system condition behind it was 'the specified network resource or device is no longer available'. Clearing the update cache and retrying resolves the majority of cases.
Symptoms
A Windows Update install fails or rolls back with error 0x80070037, sometimes after a restart loop
Common Causes
- The underlying Win32 condition ERROR_DEV_NOT_EXIST (the specified network resource or device is no longer available) 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
0x80070037 is the HRESULT wrapping of Win32 error 55 (ERROR_DEV_NOT_EXIST): the specified network resource or device is no longer available. The servicing stack (CBS) failed to complete the staging phase.
Should You Worry?
This blocks security patches from installing � address within a week.
Power-User Tip
Before running DISM, renaming C:\Windows\SoftwareDistribution to SoftwareDistribution.old clears 80% of 0x80070037 failures instantly.
DIY fix: $0; Paid remote tech support if DISM repair fails: $40�$90