What is WU-0x80004005?
This medium-severity issue affects the Windows operating system. Windows cannot check for or install updates. Error code: 0x80004005. This usually traces back to corrupt SoftwareDistribution folder and stopped BITS service. See the troubleshooting steps below for the fix.
Common Causes
- Corrupt SoftwareDistribution folder
- Stopped BITS service
- Error connecting to server
Step-by-Step Fix Guide
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1
Restart Windows Update
The highest-success first step is Restart Windows Update, which targets the most common trigger behind WU-0x80004005.
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2
Clear the update cache
Repeat occurrences typically trace back to less obvious windows instability factors, addressed in the steps ahead.
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3
Run the WU Troubleshooter
Try "Run the WU Troubleshooter" next if the issue persists — it addresses a secondary cause.
Commands & Diagnostics
net stop wuauserv
net stop bits
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
Frequently Asked Questions
WU-0x80004005 is most often triggered by corrupt SoftwareDistribution folder. Other reports point to stopped BITS service and error connecting to server as contributing factors.
The fastest fix is "Restart Windows Update". Only move on to the later steps if WU-0x80004005 keeps coming back.
As a medium-severity issue, WU-0x80004005 is more of a stability annoyance than a hardware risk — the steps above should clear it up.
In most cases, yes — the guide above resolves WU-0x80004005 without a clean install. Treat a reinstall as the last resort, not the first move.
Sometimes. Microsoft regularly releases patches that fix known BSOD triggers including WU-0x80004005. Make sure Windows is fully up to date via Settings → Windows Update before attempting more advanced fixes.
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