The Bootstrapper Process return code is (21).Stopping the installation process.

This is a new install on one of 90 lab computers with identical images and preps for install. All 89 of the other computers successfully installed.

10/16/17 15:18:07:680 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Build Version - 1.13.0.59

10/16/17 15:18:07:680 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Logging Level verbosity Set  to 4

10/16/17 15:18:07:700 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Successfully fetched the optionXML content from MSI database ...

10/16/17 15:18:07:717 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | MSI ProductCode ({AC76BA86-1033-FFFF-7760-0C0F074E4100}) is not installed on the system ...

10/16/17 15:18:07:720 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | The install language for Acrobat (APRO17.0) from the fallback map (en_US)

10/16/17 15:18:07:721 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Bootstrapper launch location is :: C:\Win7\Build\ASU\Set-up.dat

10/16/17 15:18:08:807 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Build Version - 1.13.0.59

10/16/17 15:18:08:807 | [INFO] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | Logging Level verbosity Set  to 4

10/16/17 15:18:08:807 | [ERROR] |  | ASU | MSIInvoker | MSIInvoker |  |  | 7504 | The Bootstrapper Process return code is (21).Stopping the installation process.

Thank you in advance for any help with this. I have already looked at all the forums and KB's.

Ron