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Upgrade Windows 8.1 to Windows 10 error 0x800702A9
Hi all,
I've been trying and failing to upgrade my Dell Inspiron 5520 laptop from Windows 8.1 (version 6.3.9600) to Windows 10 using the Microsoft upgrade page found here. After hours of downloading, it always fails after around 75% of the install (before it ever re-starts) and then reverts page to with the error "Windows 10 Installation has failed <OK>".
I've followed all the troubleshooting guidance (check the spec, disconnected all the peripherals, made sure the machine has all the latest Dell and Microsoft Windows updates etc.) but still encounter the same issue each time. I've never done anything exotic with the PC and have hardly downloaded any new apps to it.
Examining the BlueBox log file, it seems to always crash out with the error 0x800702A9 but I don't know how to fix it. I'm not technically gifted to figure it out myself and a web search hasn't been helpful.
Can someone please help me?
For what it's worth, I have put the log file below (it repeats the same error multiple times, but have truncated it to the just the first run to save space).
"
2021-10-24 21:11:47: *******SetupHost Logging End*******
2021-10-24 21:11:47: Process exit code: [0x80004005]
2021-10-24 21:11:47: LaunchProcessInSession: Error = 0x80004005
2021-10-24 21:11:47: LaunchProcessInSession returned: [0x80004005]
2021-10-24 21:11:47: Checking cleanup registry value...
2021-10-24 21:11:47: Performing cleanup level: [0x2]
2021-10-24 21:11:47: Populating preservation paths...
2021-10-24 21:11:47: Acquiring privileges...
2021-10-24 21:11:47: Cleaning install folder...
2021-10-24 21:11:47: Cleaning folder: [C:\$WINDOWS.~BT\Boot]...
2021-10-24 21:11:47: Spoofing detected: File [\\?\Volume{78cf66c5-d5de-4ee4-9519-d4d5dafc493b}\$WINDOWS.~BT\Boot\bcd] is not a child of [C:\$WINDOWS.~BT\Boot]
2021-10-24 21:11:47: BoxDeletePathCallback: Error during callback! Error = 0x800702A9
2021-10-24 21:11:47: BoxDeletePath: Error deleting path [C:\$WINDOWS.~BT\Boot]! Error = 0x800702A9
2021-10-24 21:11:47: BoxDeletePath: Last file path: [\\?\Volume{78cf66c5-d5de-4ee4-9519-d4d5dafc493b}\$WINDOWS.~BT\Boot\bcd]
2021-10-24 21:11:47: Error cleaning folder: [C:\$WINDOWS.~BT\Boot]
2021-10-24 21:11:47: Cleaning folder: [C:\$WINDOWS.~BT\Drivers]...
2021-10-24 21:11:47: Spoofing detected: File [\\?\Volume{78cf66c5-d5de-4ee4-9519-d4d5dafc493b}\$WINDOWS.~BT\Drivers\DU] is not a child of [C:\$WINDOWS.~BT\Drivers]
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