AutoRun.INF Tip

If you are trying to auto-launch a file name that contains spaces, you will run into problems. The INF file will stop when it hits the space; thus not being able to locate the desired file. I searched high and low for a way around this issue, but it appears to be undocumented.

I tried single quotes and double quote — both with no luck. The solution turns out to be double double quotes. This is the strangest solution and one that I would have never guessed.

Example autorun.inf:

[autorun]
shellexecute=""Click Here.htm""

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Published:: 12.22.06 / 1pm

Category:: Programming, Tips & Tricks

2 Comments

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Ben Joyce 02.20.07 / 6am

Thanks, worked for me!
Eli Sand 01.03.09 / 7pm

Oh my god - as you mentioned, you are about the only one who has any idea how long I’ve been searching for a solution to this!

Before finding this, I “gave up” and used old 8.3 filenames (had my USB formatted with FAT32) to get around this. I just got a new one and figured I would use exFAT in Vista - but it (finally) abolished 8.3 filenames and only supports long filenames… so I had to find a real solution!

I’m so glad I found your post here - put the entries in double quotes (odd that it’s not required for the open command, just shellexecute and shell\verb\command) and presto, finally working as it should!

PS: for those not sure why you want this - it allows you to omit the drive letter (single quotes work with drive letter btw - figure that out!) so that your path is relative to the USB device… regardless of the drive letter it gets.

Thanks again!

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The purpose of this blog is to share the million little tips and tricks that I have discovered over the past 15 years as a graphic designer; this site will also be my digital playground were I learn as I share. The term beta seems to be popular these days and may be a good description for what this site is; however, I think it is more fitting to call this site intentionally-unrefined.

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AutoRun.INF Tip

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