The following instructions from here should resolve the wrong build version issue: 

 

http://forums.autodesk.com/t5/inventor-general-discussion/inventor-2016-r2-update-customers-with-subscription-amp-inventor/m-p/5895242/highlight/true#M568138

 

Title

Autodesk Inventor 2016 SP1 or R2 install failed.(The version number is not updated to 20.1.21000.0000 in Help About Product dialog)

 

ISSUE

After installing Autodesk Inventor 2016 SP1 or R2, open Inventor, Help -> About Autodesk Inventor 2016, the build version is still 20.0.13800.0000. SP1 or R2 installed failed or not completely.

This problem is caused by more than one Inventor Update1 build were installed.

 

Solution

 

We need to uninstall the uncompleted SP1 or R2 and clean Update1 installation.

 

  • If you install R2 & it failed, use this command in cmd prompt to remove R2; or you can uninstall R2 from Control Panel. If you install SP1 & it failed, skill this step.

 

"C:\Program Files\Autodesk\Inventor 2016\Bin\UninstallTool.exe" R2

 

  • Remove incomplete Inventor 2016 English Language Pack SP1 using this command (please refer to the following form for different “lang id” and use correct one to replace 1033 for English); if you want to install SP1 or R2 later, you can skip this step

 

Msiexec.exe /uninstall {C2B4B6F5-2010-1033-0064-E0CB94366A9C} /package {7F4DD591-2064-0001-1033-7107D70F3DB4} /qb

 

Language

Language ID

enu(English)

1033

chs(Chinese Simplify)

2052

cht(Chinese Traditional)

1028

csy(Czech)

1029

deu(German)

1031

esp(Spanish)

3082

fra(French)

1036

ita(Italian)

1040

jpn(Japanese)

1041

kor(Korean)

1042

pol(Polish)

1045

ptb(Brazilian Portuguese)

1046

rus(Russian)

1049

 

  • Remove incomplete Inventor 2016 SP1 using this command:

 

Msiexec.exe /uninstall {C2B4B6F5-2000-1000-0064-E0CB94366A9C} /package {7F4DD591-2064-0001-0000-7107D70F3DB4} /qb

 

  • Clean Inventor 2016 Update 1

Msiexec.exe /promptrestart /qb /uninstall {D9AD67F6-F5D8-4377-8826-01687953EF10} /package {7F4DD591-2064-0001-0000-7107D70F3DB4} SETUP=1

 

  • Reboot OS if needed

 

  • Install Inventor 2016 R2 again.

 

Applies to

  • Autodesk Inventor 2016
  • Autodesk Inventor Professional 2016
  • Autodesk Inventor HSM Pro 2016
  • Autodesk Product Design Suite 2016
  • Autodesk Building Design Suite 2016
  • Autodesk Factory Design Suite 2016
  • Autodesk Plant Design Suite 2016
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