# Ue5 crashes on startup after crash with "Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION reading address " crash log

**URL:** <https://forums.unrealengine.com/t/ue5-crashes-on-startup-after-crash-with-unhandled-exception-exception-access-violation-reading-address-crash-log/574276>\
**Category:** Feedback & Requests\
**Tags:** bug, unreal-engine, crash, UE5-0, editor, question\
**Created:** [June 5, 2022, 12:57am UTC](https://forums.unrealengine.com/t/ue5-crashes-on-startup-after-crash-with-unhandled-exception-exception-access-violation-reading-address-crash-log/574276 "2022-06-05T00:57:09Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![user\_2a5247ce656da1b5f4afa05ee37623fbae87e965e47da808f7a0d9](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@user\_2a5247ce656da1b5f4afa05ee37623fbae87e965e47da808f7a0d9](https://forums.unrealengine.com/u/user_2a5247ce656da1b5f4afa05ee37623fbae87e965e47da808f7a0d9)\
**Post date:** [June 27, 2024, 3:34am UTC](https://forums.unrealengine.com/t/ue5-crashes-on-startup-after-crash-with-unhandled-exception-exception-access-violation-reading-address-crash-log/574276/21 "2024-06-27T03:34:09Z")

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thanks!

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**Author:** ![watermelon\_xi](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@watermelon\_xi](https://forums.unrealengine.com/u/watermelon_xi)\
**Post date:** [March 19, 2025, 6:43am UTC](https://forums.unrealengine.com/t/ue5-crashes-on-startup-after-crash-with-unhandled-exception-exception-access-violation-reading-address-crash-log/574276/22 "2025-03-19T06:43:50Z")

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The situation I encountered fixed the problem by changing the registry options, registry location : HKEY\_LOCAL\_MACHINE \> SYSTEM \> CurrentControlSet \> GraphicsDrivers if has’t TdrDelay and TdrDdiDelay,create it . and set TdrDelay value and TdrDdiDelay value in decimalism 60

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