Lightroom update error

i want update lightroom 6. lightroom cc (2015.7) 6.7 available update. update go till 10% error occur:

your file not found

it may have been moved or deleted.

 

err_file_not_found

 

 

i reinstalled program dvd, no luck. try update adobe homepage, no luck.

please help

downloadable installation files available:

• suites , programs:    cc 2017 |  cc 2015.5 | cc 2015 | cc 2014 | cc | cs6 | cs5.5 | cs5 | cs4, cs4 web standard | cs3
• acrobat:  dc, xi, x | x suite | 9,8 | 9 pro extended exe,9 pro extended 7z  | 9 standard    | 8 standard
• captivate:  9 | 8 | 7 | 6 | 5.5, 5 | 1
• cold fusion:  11, 10 | 9.0.2, 9.0.1, 9.0.0, 8.0.1, 8.0.0, 7.0, 6.1, 6.0, 5.0, 4.0
• contribute:  cs5 | cs4, cs3 | 3,2
• framemaker:  12, 11, 10, 9, 8, 7.2
• lightroom:    6.7| 5.7.1|  4.4 | 3.6
• photoshop elements:  15,14,13,12,11,10,9,8 | 9,8,7 win | 8 mac | 7 mac
• premiere elements:  15,14,13,12,11,10,9,8| 9, 8, 7 win | 8 mac | 7 mac

 

download , installation adobe links

download , installation prodesigntools links listed on linked pages.  critical; steps 1, 2 , 3.  if click link not have steps listed, open second window using lightroom 3 link see 'important instructions'.

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