Error message when you try to install Adobe Reader 8 on a Windows Vista-based computer: "The Temp folder is on a drive that is full or is inaccessible"

When you try to install Adobe Reader 8 on a Windows Vista-based computer, you receive the following error message:

To resolve this problem, enable User Access Control (UAC). Then, try to install Adobe Reader again. To do this, follow these steps:

1. Click Start
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   , type User in the Start Search box, and then click User Accounts in the Programs list.
2. Click Turn User Account Control on or off.
   
   
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   If you are prompted for an administrator password or for confirmation, type your password, or click Continue.
3. Click to select the Use User Account (UAC) to help protect your computer check box, and then click OK.
   
   Note You may have to restart the computer to enable UAC.
4. Restart the Adobe Reader installation package.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about this problem, visit the following Adobe Web site: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.

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.