To fix the 0x80004005 error in Windows on a virtual machine, open the Registry Editor by holding the Windows Key and the R key. Locate the registry path for [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers] “C:\Program Files\Oracle\VirtualBox\VirtualBox.exe”=”DISABLEUSERCALLBACKEXCEPTION” and delete it. If deleting this key doesn't resolve the problem, uninstall the anti-virus and try again.

If the 0x80004005 error appears when accessing shared folders, open the Registry Editor, locate the path "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" and create a DWORD or QWORD value called "LocalAccountTokenFilterPolicy" in a 32-bit or 64-bit system respectively. Enable this registry entry by setting a value of "1" for it. Alternatively, open the Device Manager by pressing the Windows key and R key, and entering "hdwwiz.cpl". Expand the Network Adapters option and remove the Microsoft 6to4 Adapters.