Microsoft Teams錯(cuò)誤657rx通常表示應(yīng)用因本地緩存或數(shù)據(jù)損壞而無(wú)法正常啟動(dòng)，解決方法包括清除緩存、重裝應(yīng)用、運(yùn)行故障排查工具和檢查系統(tǒng)更新。 1. 清除Teams緩存，進(jìn)入%appdata%\Microsoft\Teams並刪除該文件夾內(nèi)容；2. 通過設(shè)置卸載Teams後重新安裝最新版本；3. 運(yùn)行Windows內(nèi)置的“Windows Store應(yīng)用”故障排查工具；4. 檢查並安裝最新的系統(tǒng)更新。若上述步驟無(wú)效，尤其是在企業(yè)或?qū)W校環(huán)境中，建議聯(lián)繫IT管理員或Microsoft支持尋求幫助。

Microsoft Teams error 657rx usually pops up when the app can't start properly due to issues with local cache or corrupted data. It's not a rare problem, especially after updates or on systems where Teams has been used heavily over time.

What does error 657rx mean?

This error typically shows up as a message like “We couldn't start Microsoft Teams” followed by the error code. Behind the scenes, it often relates to how Teams stores and accesses local data — things like cached sign-in info, temporary files, or settings stored on your machine.

It's not always tied to a network or account issue. More often than not, it's something local — meaning it's not a server-side problem but rather something on your own device.

Common causes of error 657rx

• Corrupted cache or temporary files – Teams stores a lot of local data in AppData folders. If these get corrupted, the app may fail to launch.
• Outdated or broken installation – Especially after an update, some files might not install correctly.
• Conflicts with other apps or policies – Corporate environments sometimes have restrictions or background processes that interfere.
• User profile issues – If your Windows user profile is misconfigured, it could prevent Teams from starting.

How to fix error 657rx on Windows 11

If you're running into this error, here are the most effective steps to try:

• Clear the Teams cache
  Navigate to %appdata%\Microsoft\Teams and delete everything in that folder (or rename it just in case). Then restart Teams.

• Reinstall Microsoft Teams
  Uninstall it through Settings > Apps > Installed apps, then download the latest version from the official site or Microsoft 365 portal.

• Run the built-in troubleshooter
  Go to Settings > System > Troubleshoot > Other troubleshooters, and run the "Windows Store Apps" troubleshooter.

• Check for system updates
  Sometimes Windows updates include fixes for compatibility issues with apps like Teams.

You don't need to do all of these — start with clearing the cache first, since that's the quickest and often works.

When should you contact support?

If none of the above work, especially in a business or school environment, it's worth reaching out to your IT admin or Microsoft support. There might be deeper issues like policy restrictions or sync problems with your account.

In some cases, a full reinstall of Windows or switching to the web version of Teams can be a faster workaround than digging into every possible cause.

基本上就這些。 Error 657rx 不是大問題，但確實(shí)會(huì)影響使用體驗(yàn)。大多數(shù)時(shí)候清緩存或重裝就能解決，不需要太複雜的操作。

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