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0x80240028: WU_E_UNINSTALL_NOT_ALLOWED

Windows Error Code Lookup: Decode Windows error codes: Win32, HRESULT (0x80070005), NTSTATUS, Windows Update, msiexec and blue-screen stop codes, with what to check next.

Paste the number from an error dialog, event log, script or setup log: 0x80070005, 80070005, -2147024891, 1603, 0xC0000005, a stop code like 0x7E, a name like E_ACCESSDENIED, or a few words. You get every way Windows could mean that number (an HRESULT often wraps a Win32 error, so 0x80070005 is "Access is denied" too), its parts decoded, and what to check for the common ones. Names and messages come from the Windows SDK headers and Windows' own message tables; see Microsoft's System Error Codes and [MS-ERREF] for the full references.

Try: 0x80070005, 1603, 0xC0000005, 0x800F081F, 0x8024402C, 0x7E, access denied

0x80240028 = 2,149,842,984 = -2145124312

HRESULT 0x80240028

WU_E_UNINSTALL_NOT_ALLOWED
Windows Update

The update could not be uninstalled because the request did not originate from a WSUS server.

Severity (bit 31)1: failure
Customer (bit 29)0: Microsoft
NTSTATUS inside (bit 28)0
Facility36 (0x024) WINDOWSUPDATE
Code40 (0x0028)