default-browser-agent.exe - 分析和如何纠正错误

★★★★★ 已验证的文件 (27.08.2026)

️ ️ ️ ️ ️ ️ ️ Important Notice: exe - Automate your browser settings installation effortlessly. 手动更换系统库可能会阻碍未来的Windows更新或导致关键系统故障.

建筑:	32位 (x86)	与32位和64位Windows兼容
创建日期	01.12.2025 16:48:00
文件版本	115.31.0.9466
防病毒扫描	✅ 清洁	没有检测到病毒.
数字签名	✅已经签署	文件有签名,这是原始文件.
哈希完整性	✅MD5:已验证	文件哈希保护缺失.
文件大小	只有0.6 Mb.	0.6 MB 的字节.

哈希号:

MD5: 86c6f58f266b94e15330b979a31adf2b ✅
SHA-1: de8e15c8352e34f111757a7a609678bcf6b1f308
SHA-256: f7a7282cf03c47b66de7516d46dd6a44a8d207d6d96318a43cb0b0d92ade1aeb
SHA-512: 4a54024bbf9bd81ddb405b9478fd3f6bbf6865021b24908f8fe8da970a25e67f1360d8ef3fe1b1b1b7e80e7475f7ab070ccfe633e9d68c14c5865b2dacb03077

数字文件签名 `default-browser-agent.exe` ✅

数字签名:签名.
Publisher: Mozilla Corporation
发行人:DigiCert可信 G4 代码签名 RSA4096 SHA384 2021 CA1
加密算法:SHA256
Time stamp: Dec 1 15:13:00 2025 GMT
签名状态:有效

✅ 这个文件与32位Windows兼容,可以在64位Windows上运行 (通过WOW64子系统).

为了修复 default-browser-agent.exe error without downloading any third-party tools, you need to repair or disable the Firefox Default Browser Agent task. This executable is a legitimate Mozilla background process that tracks default browser settings.

Method 1: Disable the Task in Task Scheduler

The most common cause of this error is a corrupted scheduled task. Disabling it stops the error from popping up.

按下 Windows Key + R 打开运行对话框.
它们的类型 taskschd.msc 然后按下. Enter.
In the left sidebar, click the arrow next to Task Scheduler Library.
扩大 Mozilla (or look inside the main library list).
Click on the task named default-browser-agent.
Right-click the task in the middle pane and select Disable.

Method 2: Repair Mozilla Firefox

If you want to keep the feature but fix the corrupted file, use the built-in Windows repair function.

按下 Windows Key + I 为了打开. Settings.
按下 Apps 然后选择 Installed apps (或是 Apps & features ) 没有.
Scroll down and find Mozilla Firefox.
点击三个点 (或点击应用程序) 并选择 Modify 或是 Advanced options.
选择一个. Refresh 或是 Repair if available, or run the Firefox installer if you already have it on your drive to repair the installation.

Method 3: Disable Agent via Firefox Advanced Settings

You can turn off this telemetry agent directly inside the browser configuration.

打开 Firefox.
它们的类型 about:config in the address bar and press Enter.
点击 Accept the Risk and Continue.
寻找 default-browser-agent.enabled.
Double-click the preference to change its value from true 为了 false.

方法4:运行系统文件检查器 (SFC)

If the error is caused by general Windows system file corruption, use the built-in command-line tool.

按下 Windows Key, 类型 cmd 然后右键按下 Command Prompt.
选择 Run as administrator.
它们的类型 sfc /scannow 然后按下. Enter.
等待扫描完成,然后重新启动电脑.

诊断工具:验证您的 `default-browser-agent.exe` 文件

您担心您的PC上的文件被恶意软件修改了吗? 放入下面的表格. 我们的脚本将验证其文件大小,加密哈希 (MD5/SHA-1),并检查有效的微软数字签名.