2902avp.dll - 分析和如何纠正错误

★★★★☆ 已验证的文件 (27.08.2026)

️ ️ ️ ️ ️ ️ ️ Important Notice: 了解更多关于 2902avp.dll, its function, and how to resolve related errors. Essential guide for IT professionals. 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	09.07.2004 17:06:56
文件版本	5.4.0.2904
防病毒扫描	✅ 清洁	没有检测到病毒.
数字签名	没有签名	没有签名,文件可能被修改了.
哈希完整性	✅MD5:已验证	文件哈希保护缺失.
文件大小	52KB的数据.	这里有53,248个字节.

哈希号:

MD5: 75933586afd94ea24c5acd3dbc89a272 ✅
SHA-1: 970fd4b49d1368330c10279798991b901a233c2a
SHA-256: 406f473429573e9f0084aae125ef8f19f59291aa4c33cf7d40e7d996995a3238
SHA-512: c096f0f11fb306c6a84886826306fe9c2862c3c79b14a8991a174224b41c2a68b76e5be506494d23d354384c715c5d82a1cacffff9644de9d6b93e9478087a1d

✅ 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).

To fix the 2902 avp.dll error without downloading external files, you must restore the quarantined library from your security software or repair the parent Kaspersky/Windows installation. This error occurs when your Windows Installer (Error 2902) cannot interact with the required Kaspersky Antivirus component ( avp.dll ) because it has been corrupted, modified, or quarantined as a false positive.

1. Restore avp.dll from Your Antivirus Quarantine

Most software blocks avp.dll during updates or third-party installations by mistake.

打开你的 Antivirus program (e.g., Kaspersky or Windows Defender).
让我们去看看. Protection / Security 标签和选择 Quarantine (or Detection History).
找一个. avp.dll or any object flagged near the time of the error.
Select the file and click Restore (add to exclusions if prompted).

2. Perform a Built-In Application Repair

You can force the software to rebuild its native components using your original local Windows setup files.

按下 Windows Key + R, 类型 control 然后按下. Enter 为了打开控制面板.
按下 Uninstall a program under the Programs header.
Select your Kaspersky application (or the affected application triggering the MSI error).
点击 Change 或是 Repair at the top bar.
选择一个 Repair option inside the wizard and follow the prompts to restore the missing .dll.

3. Run Windows System File Checker (SFC)

如果 avp.dll or its critical installation dependencies are missing from your system files, Windows can repair them using its local cached system image.

按下 Start Menu, 类型 cmd,右键点击 Command Prompt,并选择 Run as administrator.
键入下面的命令,按下显示的命令. Enter:
```
sfc /scannow
```
Wait for the verification to reach 100%. If it finds corrupted files, Windows will automatically fix them using local backups.
Type the second cleanup command and press Enter:
```
DISM /Online /Cleanup-Image /RestoreHealth
```
Restart your computer once the processes complete.

4. Fix Registry Permissible Blocks

Error 2902 is natively an MSI (Windows Installer) execution block. Clearing conflicting deployment entries often forces the internal installer to locate the library correctly.

按下 Windows Key + R, 类型 regedit,并击中 Enter.
Navigate to the following deployment registry path: HKEY_CLASSES_ROOT\Licenses\
Look for an active sub-folder key related to your installer package (e.g., BA32367F-28F8... ) 没有.
Right-click the complex alphanumeric folder key, choose Delete, and close the Registry Editor.
Attempt to launch or reinstall your program.

If you are still experiencing the issue, let me know which specific program you are trying to install or launch, and which operating system version you are currently running so we can narrow down the precise root cause.

诊断工具:验证您的 `2902avp.dll` 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.

连接的文件:
KERNEL32.dll
├── mscoree.dll
├── msvcrt.dll
├── USER32.dll
└── ole32.dll