To do this, follow these steps:. Click Start , click Run , type control sysdm. Under Drivers , click Driver Signing , and then click Block - Never install unsigned driver software. To view a list of device drivers installed on your computer that are not digitally signed, use either of the following methods:. Error 0xef: The third-party INF does not contain digital signature information.
Use the File Signature Verification tool The File Signature Verification tool lists all the unsigned drivers that are installed on your computer. It creates a Sigverif. Use any text editor for example, Notepad to view the file. To use the File Signature Verification tool to display a list of drivers that are not digitally signed, follow these steps:.
Click Start , click Run , type sigverif, and then click OK. Click Advanced , click the Search tab, and then click Look for other files that are not digitally signed. Click to select the Include subfolders check box, and then click Browse. Review the list, and then contact the driver manufacturer for information about how to obtain an updated driver that is digitally signed.
USB devices that are based on earlier versions of the USB specification may create ghost devices that appear when the device is connected, and then disappear when the device is disconnected. Also, the device may work fine, but may create a disassociated unknown device.
This is typically caused by firmware that is either outdated or configured incorrectly. In this case, contact the device manufacturer for updated firmware. A ghosted device can appear if you manually install a driver for a Plug and Play device that the computer has already detected and installed. You can resolve this issue by deleting the ghosted device. For more information about how to use Device Manager to manage devices in Windows XP, click the following article numbers to view the articles in the Microsoft Knowledge Base:.
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.
Need more help? Expand your skills. Get new features first. Was this information helpful? Yes No. Thank you! Any more feedback? The more you tell us the more we can help. Can you help us improve? Resolved my issue. Clear instructions. Easy to follow. No jargon. Pictures helped. Didn't match my screen. In this example we are using the Software Library Click the Add button to add packages to the file.
Browse to the File location, select the Installation File and click Open. To add a single file please ensure that the explicit filename is defined. To configure the command line: Click the Add command button. Define the command line Name.
The rule will be automatically selected based upon the Software Package dependency rules. Click the Advance options button. Configure the Prompt user before running option if required. Select the Results-based actions tab. WinXP Manager 7. Repair Center updated to v2. Service Manager updated to v6.
Privacy Protector updated to v3. Process Manager updated to v8. WinXP Manager v8. Information Gets detailed information about your system and hardware, helps you find out the Micrsoft product key such as Microsoft Windows and Microsoft Office; Shows and manages all running processes and threads; Repair Center helps to diagnose and fix the various system problems; Cleans up your system just one clicking; Optimization Wizard is useful to the user who is unfamiliar with computers.
Optimizer Tweaks your system to improve performance and increase speed; Manages and configures the Windows boot menu to your preference; Startup Manager controls all the started programs with Windows start, checks and repairs the advanced starup items to restore the malicious change by viruses; Manages and optimizes system services and drivers to improve performance.
0コメント