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The full text is:

This verison of ADT requires Android SDK Tools in revision 17 or above.
Current revision is 15.
Please update your SDK Tools to the latest version

When I get this error, it prompts me to open up the SDK Manager.

Then I select the newest version, and try to install it, but then I receive the error message:

-= Warning! =-
A folder failed to be moved. On Windows, this typically means 
that a program is using that folder...

So, I close Eclipse, and click 'Yes' to try again, but I keep getting the same error message.

Any idea on what to do?

user1029167
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    possible duplicate of [Unable to install Android SDK 17](http://stackoverflow.com/questions/9823716/unable-to-install-android-sdk-17). Please do at least a basic search here before posting a new question; I found the linked answer with a search on `[android] SDK Tools Version 17` as the first result. – Ken White Apr 17 '12 at 00:13
  • When I try to update it through Eclipse, I get this error I listed above: -= Warning! =- A folder failed to be moved. On Windows, this typically means that a program is using that folder... When I go directly through the ADK Manager, it tells me it's already installed ([screenshot](http://i.imgur.com/7wlQC.png)) I don't understand the disconnect between going directly through the ADK, and accessing it through Eclipse. – user1029167 Apr 17 '12 at 00:28
  • I followed the steps in the link you detailed, but it didn't work. I even tried an additional set of steps detailed lower down in that link, but that didn't work either. I'm thinking the best option is just to nuke everything and start again. – user1029167 Apr 17 '12 at 01:48

2 Answers2

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I solved this problem on my mac by modifying the plugin.prop file:

for mac /Users/admin/Desktop/android-sdk-macosx/tools/lib/plugin.prop

for ubuntu ......./android-sdk-linux/tools/lib/plugin.prop Change the line from 

plugin.version=17.0.0

to 

plugin.version=16.0.1.v201112150204-238534

And reload eclipse.. and it no longer warns about anything.

Sandeep P
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user913399
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In order to run updates in the Android SDK on Windows, you need to run it as an Administrator. If you aren't an administrator, most upgrade operations will fail with permissions errors (they're not always reported as permissions errors, but that's what they are).

Right click on the SDK manager tool icon in your start menu, and select the "Run as Administrator" option.

You will then be able to run your upgrades.

Spudley
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