如何修复'不能登录” PS4错误（WS-37338-4）

首先检查PSN服务器状态，1. 访问status.playstation.com确认无服务中断；2. 重启PS4和路由器，彻底断电1-2分钟后再启动；3. 进入安全模式选择“5. 重建数据库”清理系统缓存；4. 删除并重新设置网络连接，可尝试使用Google DNS（8.8.8.8和8.8.4.4）；5. 退出PSN账户后重启主机并重新登录，注意正确输入账号信息及2FA验证；6. 若问题依旧，备份数据后进行PS4完全初始化；最后确保系统软件更新，避免特殊字符输入错误，多数情况下WS-37338-4错误可通过上述步骤解决，该问题通常由网络或系统缓存故障引起而非硬件损坏，完整操作后可恢复正常登录。

The PS4 error code WS-37338-4 typically appears when you're trying to sign in to your PlayStation Network (PSN) account and get blocked with a message like "Cannot sign in." This issue can be frustrating, especially when you just want to play online or access your digital games. The good news is that it’s usually fixable with a few straightforward steps.

Here’s how to fix the WS-37338-4 error on your PS4:

1. Check PSN Server Status

Before troubleshooting your console, confirm that the issue isn’t on Sony’s end.

• Visit the official PlayStation Network Status page (status.playstation.com).
• Look for any ongoing outages or maintenance affecting "Sign In" or "Network Services."
• If there’s a server-side issue, wait until Sony resolves it—there’s nothing you can do locally.

Note: Sometimes the status page shows everything as "operational," but regional outages can still occur. Try checking community forums like Reddit’s r/PS4 to see if others are reporting the same error.

2. Restart Your PS4 and Router

A simple reboot often resolves temporary glitches.

Steps:

• Turn off your PS4 completely (don’t just put it in rest mode).
• Unplug the power cable for 1–2 minutes.
• Restart your Wi-Fi router or modem the same way.
• Plug everything back in and turn your PS4 on.
• Try signing in again.

This clears any cached network issues and re-establishes a clean connection.

3. Rebuild the PS4 Database (Safe Mode)

Corrupted system cache can cause sign-in problems. Rebuilding the database can help.

How to do it:

1. Turn off your PS4.
2. Hold the power button until you hear two beeps (about 7 seconds).
3. Connect your DualShock 4 via USB and press PS button.
4. Select "5. Rebuild Database" from the Safe Mode menu.
5. Wait for the process to complete (it may take 10–30 minutes).

This doesn’t delete your data—it just reorganizes the drive for better performance and can fix underlying file issues affecting PSN connectivity.

4. Remove and Re-add Your Network Connection

Sometimes network settings get misconfigured.

Steps:

• Go to Settings > Network > Set Up Internet Connection.
• Choose Use Wi-Fi or Use a LAN Cable, depending on your setup.
• Select Custom and re-enter your network settings.
• Make sure DNS is set to automatic (or try Google DNS: 8.8.8.8 and 8.8.4.4).
• Test the connection when done.

Re-entering these settings clears any incorrect or outdated configurations.

5. Sign Out and Back Into Your PSN Account

Force your account to refresh its session.

Steps:

• Go to Settings > Account Management > Account Information > Sign Out.
• Restart your PS4.
• After reboot, go to Settings > Account Management > Sign In.
• Enter your PSN credentials carefully.

If you have 2-Factor Authentication (2FA) enabled, make sure you have access to your phone or authenticator app.

6. Initialize PS4 (Last Resort)

If nothing else works, resetting the PS4 may be necessary. This erases all data, so back up your saves to cloud (if you have PS Plus) or an external drive first.

Steps:

• Go to Settings > Initialization > Initialize PS4.
• Choose Full (not quick) for a complete wipe.
• Set up the console from scratch and try signing in again.

Many users report that WS-37338-4 disappears after a full reset, especially if the system had deep software corruption.

Bonus Tips

• Avoid using special characters in your password during login—sometimes the PS4 on-screen keyboard misinterprets them.
• Try signing in from another device (like the PS App or website) to confirm your account isn’t locked or banned.
• Ensure your system software is up to date—go to Settings > System Software Update.

Fixing WS-37338-4 usually comes down to network issues, corrupted cache, or account session glitches. Start with the simple steps—restart, check server status, re-enter network settings—before moving to more involved solutions like rebuilding the database or resetting the console.

Most cases are resolved without needing to contact Sony support, but if the error persists after trying all the above, reach out to PlayStation Support directly with your console ID and error details.

Basically, it’s not a hardware fault—just a hiccup in the system or connection that can be worked through step by step.

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