This issue was originally filed by mike.j...@dbj2m.com

What steps will reproduce the problem?

1. pub install
   2.
   3.

What is the expected output? What do you see instead?

C:\QA Systems\dart\io-2013-dart-codelab-master\io-2013-codelab-finished>....\da
rt-sdk\bin\pub --trace install > log
%1 is not a valid Win32 application.

---- Log transcript ----
IO : Spawning cmd /c ver
IO : Finished ver. Exit code 0.stdout:Microsoft Windows [Version 6.1.7601]Nothi
ng output on stderr.
MSG : Resolving dependencies...
IO : Get versions from https://pub.dartlang.org/packages/browser.json.
FINE: HTTP GET https://pub.dartlang.org/packages/browser.json
FINE: HTTP response 200 OK for GET https://pub.dartlang.org/packages/browser.jso
n
    | content-type: application/json
    | cache-control: private
    | date: Fri, 17 May 2013 16:42:25 GMT
    | vary: Accept-Encoding
    | server: Google Frontend
    | transfer-encoding: chunked
SLVR: requested browser version list
SLVR: * select browser 0.5.7 (19 versions)
IO : Describe package at https://pub.dartlang.org/packages/browser/versions/0.5
.7.yaml.
FINE: HTTP GET https://pub.dartlang.org/packages/browser/versions/0.5.7.yaml
FINE: HTTP response 200 OK for GET https://pub.dartlang.org/packages/browser/ver
sions/0.5.7.yaml
    | content-type: text/yaml;charset=utf-8
    | cache-control: private
    | date: Fri, 17 May 2013 16:42:25 GMT
    | vary: Accept-Encoding
    | server: Google Frontend
    | transfer-encoding: chunked
SLVR: requested browser 0.5.7 pubspec
SLVR: BacktrackingSolver took 0:00:00.576000 seconds.
    | - Requested 1 version lists
    | - Looked up 1 cached version lists
    | - Requested 1 pubspecs
    | - Looked up 1 cached pubspecs
    |
IO : Deleting directory C:\QA Systems\dart\io-2013-dart-codelab-master\io-2013-
codelab-finished\packages.
FINE: Ensuring directory C:\QA Systems\dart\io-2013-dart-codelab-master\io-2013-
codelab-finished\packages exists.
FINE: Ensuring directory C:\Users\michael.jarvis\AppData\Roaming\Pub\Cache\hoste
d\pub.dartlang.org exists.
IO : Install package from https://pub.dartlang.org/packages/browser/versions/0.
5.7.tar.gz.
MSG : Downloading browser 0.5.7...
FINE: Ensuring directory C:\Users\michael.jarvis\AppData\Roaming\Pub\Cache_temp
 exists.
FINE: Ensuring directory C:\Users\michael.jarvis\AppData\Roaming\Pub\Cache exist
s.
IO : Created temp directory C:\Users\michael.jarvis\AppData\Roaming\Pub\Cache_
temp\dir-c030904a-bf10-11e2-97f9-f72d02dfc319
FINE: HTTP GET https://pub.dartlang.org/packages/browser/versions/0.5.7.tar.gz
FINE: HTTP response 200 OK for GET https://pub.dartlang.org/packages/browser/ver
sions/0.5.7.tar.gz
    | cache-control: public, max-age=3600, no-transform
    | last-modified: Fri, 10 May 2013 05:07:08 GMT
    | date: Fri, 17 May 2013 16:26:16 GMT
    | age: 970
    | x-goog-hash: crc32c=4eG8WA==,md5=P5bRNr58MbhvQkfayvE+fA==
    | content-type: application/octet-stream
    | x-goog-generation: 1368162428790000
    | server: HTTP Upload Server Built on May 8 2013 16:51:19 (1368057079)
    | accept-ranges: bytes
    | content-length: 4098
    | etag: "3f96d136be7c31b86f4247dacaf13e7c"
    | x-goog-metageneration: 1
    | expires: Fri, 17 May 2013 17:26:16 GMT
FINE: Extracting .tar.gz stream to C:\Users\michael.jarvis\AppData\Roaming\Pub\C
ache_temp\dir-c030904a-bf10-11e2-97f9-f72d02dfc319.
IO : Created temp directory C:\Windows\TEMP\tempdir-c030904b-bf10-11e2-97f9-f72
d02dfc319
IO : Creating C:\Windows\TEMP\tempdir-c030904b-bf10-11e2-97f9-f72d02dfc319\data
.tar.gz from stream.
FINE: Created C:\Windows\TEMP\tempdir-c030904b-bf10-11e2-97f9-f72d02dfc319\data.
tar.gz from stream.
IO : Spawning C:\QA Systems\dart\dart-sdk\lib_internal\pub\resource\7zip\7za.e
xe e data.tar.gz
IO : Deleting directory C:\Windows\TEMP\tempdir-c030904b-bf10-11e2-97f9-f72d02d
fc319.
FINE: Clean up system cache temp directory C:\Users\michael.jarvis\AppData\Roami
ng\Pub\Cache_temp.
IO : Deleting directory C:\Users\michael.jarvis\AppData\Roaming\Pub\Cache_temp
.
ERR : %1 is not a valid Win32 application.
    |

---- End log transcript ----

What version of the product are you using? On what operating system?

windows 7 64 bit
editor version 22659

Please provide any additional information below.

io code lab