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DropboxUpdate.exe generating UAC requests & update error 0x800040002
About 2-3 weeks ago, I started receving 5-6 UAC requests per day from DropboxUpdate.exe. See attachment UAC_message1.jpg and UAC_message2.jpg. These messages all point back to registry entries for DropboxUpdate.exe with data {49423331-2B41-4EDE-838E-F8C8F3F6BF62}. See attachments DropboxUpdate_registry_entry1.jpg, DropboxUpdate_registry_entry2.jpg and DropboxUpdate_registry_entry3.jpg.
When this UAC problem started, the Dropbox version I had was 3.14.x, Dropbox would not update itself and I received a waring from Dropbox that syncing would stop because Dropbox could not update itself. I d/l the offline Dropbox installer (3.16.1) but when I ran it, it gave me an error "Dropbox Update installation failed with error 0x800040002." Thinking this updating problem might be a firewall issue, I allowed dropbox.exe and dropboxupdate.exe through firewall, and then I disabled the firewall, but still the same DB error message and no update. Finally, after starting Windows in safe mode, the Dropbox 3.16.1 offline installer did run and the DB version is now 3.16.1. I though that the problem with UAC and DB updating was solved, but about 3 days later, the UAC messages are back. I did a trouble ticket with Dropbox, but their response is that the update error 0x800040002 is an OS problem.
Anyone seen this problem? Any thoughts on how to fix? Is this possibly a corrupt registry entry? I'm grasping for ideas here.