When installing updates for Microsoft Office applications through Windows Update or through Microsoft Update, one of the following error codes appears:
Error 1
0x80070646
Error 2
646
Error 3
“Error 1606 Could not access network location %APPDATA%”
Windows 7 - Using the Windows Update Troubleshooter
To resolve this issue in Windows 7, use the Windows Update Troubleshooter:
Click Start
, enter find and fix problems
in the search field, then select Find and Fix Problems
from the search results list.
Figure 1: Search results
Under the System and Security
troubleshooting category, click Fix problems with Windows Update
.
Figure 2: Control Panel
If prompted for an administrator password or confirmation, type the password or provide confirmation.
When the Windows Update Troubleshooter
opens, click Next
and follow the on-screen instructions.
Figure 3: Windows Update troubleshooter
If, after running the Windows Update Troubleshooter, you still experience this error, see
Microsoft Support
for further information.