How to Fix Fix Error 0x80070663 — Windows Installer Patch Application Failure on Windows
Getting error 0x80070663 when updating software? "This installation package is not supported by this processor type"? Update patch can't apply? Fix this Windows Installer patch architecture error.
Symptoms
You might be experiencing this problem if you notice:
- •Software update fails with error 0x80070663
- •Office update says "not supported by this processor type"
- •MSP patch file rejected during installation
- •Windows Update fails applying an update for a specific app
- •Error appears during automatic software updates
- •Manual patch installation (.msp file) fails with this code
Common Causes
- ⚠Trying to apply 32-bit patch to 64-bit installation or vice versa
- ⚠Office architecture mismatch (32-bit Office on 64-bit Windows or wrong patch)
- ⚠Windows Installer cache missing the base MSI package
- ⚠Corrupted Windows Installer registration for the product
- ⚠Patch targeting a different version of the product
- ⚠Mixed architecture installations causing confusion
Solutions
Solution 1: Check and Fix Architecture Mismatch
- 1This error often means 32-bit vs 64-bit mismatch:
- 2Check your Office architecture:
- 3Open any Office app → File → Account → About
- 4Look for "32-bit" or "64-bit" after the version number
- 5Ensure updates match this architecture
- 6If downloading updates manually:
- 7Choose the matching architecture (x86 for 32-bit, x64 for 64-bit)
- 8For other software: check Program Files (64-bit) vs Program Files (x86) (32-bit)
- 9The patch must match the installed architecture
Solution 2: Repair the Installed Application
- 1Repair the base installation so patches can apply:
- 2Settings → Apps → find the app → Modify → Repair
- 3For Office specifically:
- 4Settings → Apps → Microsoft Office → Modify
- 5Choose "Quick Repair" first — faster and fixes most issues
- 6If Quick Repair fails: try "Online Repair" — more thorough
- 7Online Repair redownloads Office files
- 8After repair: retry the update
- 9If repair doesn't work: restore the Windows Installer cache:
- 10The missing .msi may need to be restored from original media
Solution 3: Clean Reinstall If Patch Path Broken
- 1If patches keep failing:
- 2For Office: use the Office Removal Tool (SaRA):
- 3Download from: aka.ms/SaRA
- 4Run it and select "Office" → completely removes Office
- 5Reinstall Office from office.com/myaccount
- 6Choose the correct architecture during reinstall:
- 732-bit: compatible with more add-ins
- 864-bit: better for large spreadsheets and RAM usage
- 9For other software:
- 10Uninstall completely → download latest full installer
- 11Ensure you download the correct architecture
- 12Fresh install includes all patches up to that version
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