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Canvas App crashes while working/running – how to identify cause and prevent it?

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Posted on by RP_AGT

Hi everyone,

I have a Power Apps Canvas App that sometimes crashes while users are working in it. The app opens normally, but during usage it suddenly stops/responds slowly/crashes.

I want to understand how to troubleshoot this issue and how to avoid it in future.

What are the best practices to check this?

I am planning to verify these points:

Check app performance using Monitor

Check if any screen has too many controls/formulas

Check heavy OnStart, OnVisible, or repeated ClearCollect calls

Check delegation warnings

Check large collections or too many records loaded at once

Check connector/API calls failing or taking too long

Check if app is using too many images/media files

Test in different browser/device/network

Review formula errors from App Checker

Optimize formulas using Concurrent(), avoid unnecessary variables/collections

Can anyone suggest the best way to identify the exact reason for Canvas App crash and recommended fixes to avoid this issue?

Thanks.

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Power Platform integration

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11manish 882 on at

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Your troubleshooting checklist is already very good. The challenge with Canvas App crashes is that there is usually no single root cause—it's often a combination of performance, memory, delegation, and network issues.

If I had to identify the top causes of Canvas App crashes, they would be:

Large collections and memory consumption

Non-delegable queries

Too many controls

Repeated connector calls

Heavy OnStart/OnVisible logic

Large images/media

Browser or device memory limitations

The single best tool to identify the exact reason is still:

Monitor

combined with:

App Checker + Performance Insights + Production telemetry/logging

These together usually reveal the root cause very quickly.

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André Arnaud de Cal... 305,710 Super User 2026 Season 1 on at

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Hi RP_AGT,

There is a specific Power Platform community, including a group for Power Apps. I suggest to ask your question here: Microsoft Power Platform Community Power Apps.

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