Office Apps Not Opening

Fix Access Runtime Closing After Security Update KB5002112

Jason MillerJason Miller Oct 26, 2026 868 views

Question details

Users report that a 32-bit Microsoft Access 2016 Runtime application no longer starts and unexpectedly closes immediately after installing the Windows security update KB5002112.

Fix Microsoft Access Runtime Closing After Security Update KB5002112
Product
Microsoft Access 2016 Runtime
Device & OS
not provided
Scenario
Attempting to launch a split front-end and back-end database application after applying recent system security updates.
Observed behavior
The Access application fails to launch or closes instantly upon opening. The functionality is only temporarily restored if the KB5002112 update is manually uninstalled.
Before you start

Before attempting to uninstall any system updates or modifying registry configurations, verify your current Access version and ensure your database files are securely backed up.

Solution 1Recommended

Apply Official Microsoft Access Workarounds

Check for documented fixes from Microsoft before removing critical system security updates.

Microsoft frequently releases official patches or specific registry workarounds when a security update unintentionally breaks Access functionality. Reviewing their known issues database is the safest approach.

1
Visit Microsoft Support

Navigate to the official Microsoft support article titled 'Fixes or workarounds for recent issues in Access'.

2
Locate the KB5002112 Issue

Scroll through the list of recent issues and locate the section specifically addressing the Access 2016 Runtime crash linked to security update KB5002112.

3
Apply the Recommended Fix

Follow the official instructions provided by Microsoft, which may involve downloading a subsequent patch or making a targeted registry adjustment to restore runtime stability.

Apply Official Microsoft Access Workarounds
Stay Updated: Always prioritize official patches over rolling back updates, as removing security updates leaves your system vulnerable.
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Frequently Asked Questions

Why does my Access 2016 Runtime crash after installing KB5002112?

Security updates like KB5002112 can sometimes alter core Windows security protocols or runtime environments, leading to unforeseen compatibility issues with older 32-bit applications.

Is it safe to keep security update KB5002112 uninstalled?

It is not recommended to permanently leave a security update uninstalled. Doing so can leave your system vulnerable to security threats. Uninstall it only as a temporary workaround until Microsoft releases a permanent patch.

How do I know when Microsoft has fixed the Access Runtime bug?

You can monitor the official 'Fixes or workarounds for recent issues in Access' support page provided by Microsoft, where they document known issues, their status, and official resolutions.