You may be receiving error code 0x800B0004 when SUS synchronization with Upstream Server and synchronization fails on your Windows 2000 or 2003 servers. Error on your screen would be:
Automatic Sync Started- Day, Date, Time Successful with Errors
Updates Added:
None
Updates Removed:
None
Reissued Update(s):
None
Errors:
Security Update for Windows 2000 (KB871250): Failed to download from URL
There are various causes of this problem, however, common among others are as follows.
1. The package you download is corrupted.
2. Browser is infected due to damaged files.
3. You did not complete with the registration process.
4. Corrupt Windows Registry
In order to fix error code 0x800B0004 steps are given below.
First thing that you need to do is, if you see there are unsigned or incomplete downloads then quickly use Windows Explorer to navigate to these packages and remove them from system.
Sigverif should be used to make sure that no unsigned file is present on the system. To do this, perform following steps.
1. Click on Start.
2. Go to Run.
3. Type here "sigverif" without quotes and press Enter.
4. Click Start button in File Signature Verification box.
5. Click on Advanced button once scan is finished.
6. Click on View Log button on Logging tab to display the SIGVERIF.TXT log file.
7. Make sure the value of unsigned files is 0.
Make sure that protected system files are correct using Windows file check (sfc) command. To do this, perform following steps.
1. Click on Start button on the taskbar of your desktop.
2. Go to Run and type "sfc/scannow" without quotes and press Enter.
3. Follow the instructions to complete the system file checker process.
4. Reboot your machine, error code 0x800B0004 should be fixed.
If you see that error code 0x800B0004 still persists then go to next step.
Remove updated version of browser (IE) from your computer, you may use Windows Add or Remove programs utility in the control panel.
To Fix error code 0x800B0004, it would be wise to use RegInOut (registry cleaner and PC optimizer) software on your computer to remove any left behind orphan files.
