# Upgrading to Unreal 4.25.1 crashes the engine whenever trying to use file explorer to choose location **URL:** \ **Category:** Platform & Builds\ **Tags:** bug, unreal-engine, bug-report, UE4, question\ **Created:** [June 4, 2020, 3:02pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247 "2020-06-04T15:02:31Z")\ **Posts on this page:** 20\ **Page:** 1
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 4, 2020, 3:02pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/1 "2020-06-04T15:02:31Z")
This is the crash that occurs when I upgraded my engine version from 4.25 to 4.25.1. It doesn’t even allow me to create a new project as I try to choose location using file explorer it crashes the engine ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 5, 2020, 12:18am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/2 "2020-06-05T00:18:31Z")
Same here. I can’t migrate, select landscape heightmap, reimport anything with a new file. I’ve tried verifying, brand new project, removing network drives, disabling source control plugins, removing quick access folders. ---
**Author:** ![ASA00100](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@ASA00100](https://forums.unrealengine.com/u/ASA00100)\ **Post date:** [June 5, 2020, 7:21am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/3 "2020-06-05T07:21:55Z")
Same here. Tried everything. Crashes on every explorer dialog window. 4.25 and earlier works fine. ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 5, 2020, 9:09pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/4 "2020-06-05T21:09:47Z")
I was looking into some solutions. I think it must be because of Windows 10 KERNELBASE.dll corruption. I am wondering if Epic changed something in their engine core that might have made it corrupt. This is the article I found related to that: [https://answers.microsoft.com/en-us/windows/forum/all/applications-fail-to-start-with-kernelbasedll/44a4c2ad-a43f-479b-b026-bcdc2ff01285](https://answers.microsoft.com/en-us/windows/forum/all/applications-fail-to-start-with-kernelbasedll/44a4c2ad-a43f-479b-b026-bcdc2ff01285) ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 5, 2020, 9:11pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/5 "2020-06-05T21:11:21Z")
True. I tried 4.24 again to confirm it and it works fine. Even 4.25 worked fine as I was working on a project midway using 4.25. It started crashing as soon as I updated to 4.25.1 ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 5, 2020, 9:18pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/6 "2020-06-05T21:18:45Z")
Do any of those solutions fix the problem? Is this not happening to everyone? What could be the reason it happens to some and not others? ---
**Author:** ![Venombg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Venombg](https://forums.unrealengine.com/u/Venombg)\ **Post date:** [June 6, 2020, 12:13am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/7 "2020-06-06T00:13:33Z")
Same. Started crashing as soon as i upgraded from 4.25 to 4.25.1 ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 6, 2020, 12:26am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/8 "2020-06-06T00:26:18Z")
I have reported this bug to Epic: [Unreal Engine Community](https://epicsupport.force.com/unrealengine/s/?language=en_US). Still haven’t heard anything back from Epic. I would like you to do the same and report this bug,so that they can fix it as soon as possible. I don’t want to change KERNELBASE.dll unnecessarily if it is something Epic could change soon. I would wait till they reply back. I am hoping someone would reply back by Monday ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 6, 2020, 12:28am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/9 "2020-06-06T00:28:03Z")
Could you report this bug here: [Unreal Engine Community](https://epicsupport.force.com/unrealengine/s/?language=en_US). It would be better if more people report it so that they can fix it asap ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 6, 2020, 12:56am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/10 "2020-06-06T00:56:31Z")
I did that too, no response yet either. ---
**Author:** ![Venombg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Venombg](https://forums.unrealengine.com/u/Venombg)\ **Post date:** [June 6, 2020, 11:19am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/11 "2020-06-06T11:19:33Z")
Yes i just reported it. Created my project in 4.25 and cant work on it right now, since i cannot downgrade. Pretty annoying. ---
**Author:** ![hzhenk](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@hzhenk](https://forums.unrealengine.com/u/hzhenk)\ **Post date:** [June 6, 2020, 1:48pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/12 "2020-06-06T13:48:12Z")
![303691-error.png](https://d3kjluh73b9h9o.cloudfront.net/original/4X/3/a/5/3a5b47808a749df3ee5d0added2db285a47655c6.png) I have 4.25.1 running on 2 windows computers. One is having no problems, the other one is crashing. The crashing one has a AMD Ryzen, the not crashing one Intel I7 ? ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 6, 2020, 4:05pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/13 "2020-06-06T16:05:01Z")
I’m running a Ryzen 3600x. I have another computer that I can try it on to test this theory out, it’s an intel. EDIT: It works fine on 2 other computers here 3900x and an Intel CPU. ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 9, 2020, 1:28am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/14 "2020-06-09T01:28:11Z")
I got contacted by someone from Epic today. They told me install debugging symbols for engine so that they can get call stack for the crash. I have sent them today. So will wait and see whether they’ll fix it ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 9, 2020, 6:55pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/15 "2020-06-09T18:55:45Z")
How many of you have Helix Plugin for File Explorer installed? I have uninstalled it from both computers I use that have this issue and Unreal has stopped crashing on both immediately after uninstall. If you don’t have that installed I would try uninstalling any other type of File Explorer related “plugins”. NOTE: Helix also known as Perforce if you didn’t know. ---
**Author:** ![ASA00100](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@ASA00100](https://forums.unrealengine.com/u/ASA00100)\ **Post date:** [June 9, 2020, 8:35pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/16 "2020-06-09T20:35:32Z")
Worked for me. Crashing stopped immediately after uninstalling the plug-in. Thank you. ---
**Author:** ![AkhilMajagaonkar](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AkhilMajagaonkar](https://forums.unrealengine.com/u/AkhilMajagaonkar)\ **Post date:** [June 9, 2020, 9:54pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/17 "2020-06-09T21:54:44Z")
I don’t have that plugin installed. But still it crashes the engine ---
**Author:** ![Qwigs](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/qwigs/32/725002_2.png) [@Qwigs](https://forums.unrealengine.com/u/Qwigs)\ **Post date:** [June 9, 2020, 10:40pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/18 "2020-06-09T22:40:48Z")
Do you have anything else installed that affects File Explorer? I would try removing anything like that. ---
**Author:** ![HuijaMandinga](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@HuijaMandinga](https://forums.unrealengine.com/u/HuijaMandinga)\ **Post date:** [June 9, 2020, 11:46pm UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/19 "2020-06-09T23:46:57Z")
I have the same problem. I already reported but without a solution. The strange thing is that it also happens to me with version 4.24.3. In 4.24.3 I can import assets via DATASMITH but as soon as I carry out a moficiación and want to re-import, it closes. In 4.25.1 I can’t directly import anything. It even closes without doing anything ---
**Author:** ![RabbitHoleAvert](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@RabbitHoleAvert](https://forums.unrealengine.com/u/RabbitHoleAvert)\ **Post date:** [June 10, 2020, 12:26am UTC](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247/20 "2020-06-10T00:26:50Z")
Uninstalling Helix Plugin did not help in my case. I also killed all Dropbox processes (didn’t uninstall though) because that talks to file explorer, that also did not help. I’ll report back if I find anything else [Next page](https://forums.unrealengine.com/t/upgrading-to-unreal-4-25-1-crashes-the-engine-whenever-trying-to-use-file-explorer-to-choose-location/466247.md?page=2)