0x80070643 — Fatal error during installation
Domain: WindowsPriority: Medium
What does this error mean?
Windows Connor or a of installation program failed without properly completing the deployment.
Probable causes
- missing prerequisites
- old version not installed
- rights or antivirus
- MSI or cache d package, corrupted installation
Verification and resolution
- View the MSI or Windows Update
- Check the disk space and pending restarts
- Repair the required requirements
- Relaunch, installation with detailed logging
Precaution: Avoid uncontrolled MSI cleaning tools on a production server.
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