When you install the Microsoft LifeCam software and plug in the LifeCam, it does not work. In Device Manager, the properties for the LifeCam entry display a code 39 or a code 19.
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2.
Start the downloaded file, and then click Custom on the Setup Type page.
3.
Follow the prompts to install the Logitech Camera Driver.
4.
Restart the computer.
The LifeCam should work and code 39 or code 19 should disappear from Device Manager. To remove the Logitech drivers, use Add or Remove Programs in Control Panel.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756 (http://support.microsoft.com/kb/322756/) How to back up and restore the registry in Windows
1.
Click Start, click Run, type services.msc, and then click OK.
2.
Double-click Logitech Process Monitor.
3.
In Startup type, select Disabled.
4.
Under Service status, click Stop, and then click OK.
5.
Close Services.
6.
Click Start, click Run, type regedit, and then click OK.
Note You might not find all the following subkeys or entries. However, you should find at least one.
7.
In Registry Editor, locate and then click the following subkey:
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