Hi have you had a look at https://answers.microsoft.com/en-us/windows/forum/all/logonuiexe-the-system-detected-an-overrun-of-a/5cae44d4-8a23-4832-a04a-d47aef63d42d ? Best regards
LoginUI.exe - System Error
Hi all,
I have tried dism and sfc /scannow in advance startup option, but failed.
The error found once in safe mode. Normal boot just stuck in black screen and mouse cursor spinning after Windows page.
Any suggestion or advise is appreciated.
6 answers
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Oscar Maqueda 611 Reputation points Microsoft Employee
2021-01-02T10:51:05.507+00:00 -
JovinG 1 Reputation point
2021-01-02T13:19:32.257+00:00 Hi,
It has already done with those steps.
In fact, the system not able to get in Windows.
Therefore, those steps executed in dos command in advanced startup:sfc /scannow /offbootdir=d:\ /offwindir=d:\windows
Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windowsAppreciated if any suggested steps.
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JovinG 1 Reputation point
2021-01-03T10:21:01.373+00:00 Any expert can assist for this?
Perhaps to stop or reset the detection?
Replace the LogonUI don't seems work as well
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Eleven Yu (Shanghai Wicresoft Co,.Ltd.) 10,761 Reputation points Microsoft Vendor
2021-01-04T02:10:19.267+00:00 Hi,
I noticed that you are not able to boot normally. You may try startup repair to see if it helps.
You can read below article for detailed steps. (Please refer to Fix 5)
https://gaoamanda40.medium.com/system-detected-stack-based-buffer-overrun-how-to-fix-baf4d378c426Thanks,
Eleven
If the answer is helpful, please click "Accept Answer" and up-vote it.
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JovinG 1 Reputation point
2021-01-04T13:11:48.24+00:00 In fact, the option is not available in startup option.