System unable to detect software after update

4.5

Installed apps are missing from the Start menu or show as "Not installed" after an update.

Symptoms
  • Broken shortcuts
  • Apps missing from "Add or Remove Programs"
  • Registry errors
Possible Causes
  • User profile migration failure
  • Registry corruption
  • App incompatible with new OS version

Step-by-Step Fix

1

Check Windows.old folder

If you just did a major upgrade, your files might be in C:\Windows.old.

2

Re-register Apps

Use PowerShell to re-register all Windows Store apps.

3

Reinstall the App

The most reliable way to fix broken registry links after an update.

When to See a Technician

Major updates (like moving from Win 10 to 11) can sometimes fail to migrate all registry keys correctly.

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