Windows Update & Setup
Update and upgrade failures, WSUS, servicing stack and component store repair.
60 articles
0xC004F050
0xC004F050 and 0xC004F025: the ESU product key is rejected on install
0xC004F050 and 0xC004F025 stop the ESU key installing, from a wrong key, a missing prerequisite or no elevation. Fix entitlement…
0x80073BC3 - 0x20009
0x80073BC3 – 0x20009: Setup cannot find a single system partition
0x80073BC3 - 0x20009 stops the upgrade during partition analysis, usually because more than one system partition is visible. Take the…
0x80004005 - 0x20007
0x80004005 – 0x20007: driver installation fails in the SAFE_OS phase
0x80004005 - 0x20007 means a driver failed while setup was offline in SAFE_OS. Strip third-party drivers before upgrading so the…
0x8007042B - 0x4000D
0x8007042B – 0x4000D: a process dies during the second boot phase
0x8007042B - 0x4000D means a setup process was terminated while migrating into the new build. Remove the software killing it…
0x80070070 - 0x50011
0x80070070 – 0x50011: the upgrade runs out of disk space and rolls back
0x80070070 - 0x50011 and its variants mean setup exhausted free space mid-upgrade. Clear real headroom on the system drive, then…
0x80240001
0x80240001 and 0x80240004: the Windows Update agent will not initialise
0x80240001 and 0x80240004 mean the update service or its COM objects failed to start. Re-register the agent DLLs and reset…
0x80190194
0x80190194 and 0x801901F4: HTTP errors while downloading update content
0x80190194 and 0x801901F4 are HTTP 404 and 500 replies to the download stack. Fix the content source, proxy rules and…
0x80240029
0x80240029 and 0xC004F034: an unlicensed product stops the update search
0x80240029 means the update search found an unlicensed application on the system. Check what is actually unlicensed before you buy…
0x80042405 - 0xA001A
0x80042405 – 0xA001A: the Media Creation Tool cannot build the USB drive
0x80042405 is a disk service object that was not found, seen when the Media Creation Tool cannot write to USB.…
0x80070017
0x80070017 and 0x8007045D: install media read errors during Windows Setup
0x80070017 and 0x8007045D are CRC and I/O failures reading the installer. Verify the ISO hash and swap the drive or…
0xC004C020
0xC004C020 and 0xC004F074: the ESU key is out of activations, or no KMS answered
0xC004C020 means the MAK is out of activations; 0xC004F074 that no KMS host answered. Activate ESU with its own Activation…
0xC190020E
0xC190020E and 0x80070070: not enough free space to run the upgrade
0xC190020E and 0x80070070 stop setup when the system drive is short of space. Reclaim the gigabytes Windows needs, or attach…