CredentialUIBroker.exe Remote Desktop error in Windows [Fix]

When trying to connect to the Remote Desktop on Windows, you may sometimes come across the CredentialUIBroker.exe 0xc000027b error. This error seems to be prevalent only on Windows Server OS, and getting established on other machines without server OS. You may see the following error message:

If you open Event Viewer, you may see the following details of this error:

What is the CredentialUIBroker.exe remote desktop error?

CredentialUIBroker.exe or Credential Manager UI Host is an executable file and an important software whose primary job is to manage and securely save credentials. For example, usernames and passwords for several user accounts on the system. So, systems or applications can retrieve them from this file whenever required.

Since it’s a critical process, it should not be removed or disabled, or it may cause system instability and other errors. However, sometimes, the EXE file may stop working due to missing or corrupted files. This could lead to a CredentialUIBroker.exe remote desktop error on Windows. Some of the other reasons that may trigger this error are:

Corrupted or damaged CredentialUIBroker.exe or related system files
When the file is deleted with malicious intent by a harmful program or accidentally by a legitimate program.
A conflict between Windows Education N (x86 version) and its shared files and another program.
Windows Education N (x86 version) got broken during download or installation.

Some of the common errors related to CredentialUIBroker.exe are as below:

CredentialUIBroker.exe Program Error.
Faulting Application Path: CredentialUIBroker.exe.
CredentialUIBroker.exe not found.
Cannot find CredentialUIBroker.exe.
Start-up error in application: CredentialUIBroker.exe.

Fix CredentialUIBroker.exe Remote Desktop error 0xc000027b on Windows

The CredentialUIBroker.exe remote desktop error on Windows locks you out of your account and this can be frustrating. Most users have no idea what is the CredentialUIBroker.exe process and hence, are left clueless. Now that you know that it’s an important process for the Windows OS and completely safe, and you know the reason behind the error, here are a few methods you can try to fix the issue.

Run SFC and DISM scans
Update Windows OS, Device drivers and the RDP software
Replace the EXE file with a fresh copy
Remove saved credentials
Additional troubleshooting methods

1] Run SFC and DSM scan

Windows 上的 CredentialUIBroker.exe 遠端桌面錯誤

If the missing or corrupted system files are a reason why you encounter the CredentialUIBroker.exe remote desktop error on Windows, you can try running the system utilities the System File Checker, followed by the DISM tool.

雖然 SFC 掃描（系統檔案檢查器）將取代遺失的檔案或修復任何損壞的文件，但 DISM 工具將修復損壞的 Windows 元件儲存損壞或損壞的 Windows 映像。

2]更新Windows作業系統、裝置驅動程式和RDP軟體

您應該更新您的 Windows 作業系統、裝置驅動程式和 RPD 軟體。

這聽起來可能無關，但有時，顯示卡驅動程式往往會與 CredentialUIBroker.exe 檔案產生衝突，並在 Windows 上觸發遠端桌面錯誤。因此，建議您務必將顯示卡驅動程式更新至最新版本以消除該錯誤。

3]用新副本取代EXE文件

如果 SFC 和 DISM 掃描無法修復錯誤（我們認為這不太可能），您可以考慮使用新副本來取代 CredentialUIBroker.exe。為此，您可以從另一個正常系統複製該文件，將其貼上到 System32 資料夾中，然後替換舊文件。

您也可以從可信任來源下載 EXE 檔案。

4]刪除已儲存的憑證

如果錯誤表示 RDP 伺服器不允許保存憑證，因為伺服器未完全驗證，則可能表示憑證錯誤/過期。在這種情況下，刪除您儲存的憑證，錯誤就會修復。

5]其他故障排除方法

使用內建的Windows 安全功能在您的電腦上執行病毒掃描，或使用來自信譽良好的公司的第三方防毒軟體。< /span>
暫時停用防火牆以檢查是否阻止了該進程。
執行乾淨啟動以消除任何第三方應用程式幹擾，看看是否有幫助。
檢查您的電腦的 BIOS 是否需要更新。

如何修復遠端桌面錯誤？

要修復遠端桌面錯誤，您首先應該檢查作業系統 (OS) 配置是否正確。如果作業系統正常，您可以檢查網路連線是否正常，或者防火牆是否封鎖該應用程式。另外，檢查遠端桌面設定是否正確。同時，確保啟用對遠端桌面的存取並且您使用有效的使用者憑證。

為什麼我的憑證在 RDP 中不起作用？

如果您的憑證無法在遠端桌面 (RDP) 上執行，則網路設定檔可能會設定為公開。這表示您的電腦在公共熱點處受到保護，並且會阻止任何傳入連線。

CredentialUIBroker.exe Remote Desktop error in Windows [Fix]

What is the CredentialUIBroker.exe remote desktop error?