How To Fix This Error

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Error Message:
Error 1304: Error writing to file X.inf. Verify that you have access to that directory.

Translation:
Files that end in the .INF extension are information files, and they're crucial for the installation of hardware. Windows stores all INF files in a single directory, so it knows where to find them, and this directory can hold thousands of INF files. It can quickly fill to capacity because many programs and devices create zero-byte INF files when they're installed. These files are empty but still take up space in the directory structure. You'll need to delete them to make the Error 1304 message go away.

Solution:
Click Start, expand Search, and click For Files And Folders. Type OEM*.INF in the Search For Files Or Folders Named field, and don't forget the asterisk (*) because it acts as a wildcard. Type C:\WINDOWS\INF in the Look In field, click Search Options, and put a check in the Size box. Select At Most 1KB, check the Advanced Options box, and remove the check from the Search Subfolders box.

Expand the View menu, click Details, and click Search Now. When the search is complete, expand the View menu again, expand Arrange Icons, and click By Size. Scroll through the results list until you find the first 0KB entry. Click the entry to highlight it, hold down the SHIFT key, scroll down to the last 0KB entry, and click that entry. Now all the 0KB entries should be highlighted, but double-check to make sure you didn't select a 1KB or larger entry. Once you're sure that only 0KB files are highlighted, press DELETE and wait for Windows to clear the files out of the INF folder. Reboot and you should be able to install your hardware without triggering the error message.