An error occurred during installation of assembly component hresult 0x80070bc9




















I was right. You see here's the slap myself silly part , I'd forgotten a Windows 7 bit batch update operation had not been completed. Changes had been written to the OS that had not been finalized by the mandated restart, and among those changes were some that prevented a successful installation of Adobe's Acrobat Reader. Suggestion of proof for theory: The installation of Acrobat didn't actually FAIL until the "Close" button of the error message was responded to; The last time I reproduced the error, I did not hit the aforementioned button.

Instead, I opened the newly-installed application…successfully, without any error. Then I did the reboot, after which the OS was reconfigured vis-a-vis updates. Hi Krolike, Step 1 : Remove all components or products of acrobat and then try installing.

By marking a post as Answered, or Helpful you help others find the answer faster. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site.

In reply to SUBY. Hi, Step 1: If you are not able to do the step 2 manually remove and reinstall. Diana Microsoft Answers Support Engineer Visit our Microsoft Answers Feedback Forum and let us know what you think If this post helps to resolve your issue, please click the "Mark as Answer" or "Helpful" button at the top of this message.

Typically, a restart will be required to complete the update installation. If the restart is postponed, the system tries to install MSI packages during this time, and you may encounter a situation that will prevent the MSI package installation.

After you encounter this issue, it will not be resolved unless you restart the computer and make sure that the change is applied.

Skip to main content. This browser is no longer supported. NET frameworks, removing orphaned registry keys that remain, and then reinstalling the. NET Framework. Disclaimer : This procedure involves modifying the Windows registry. Adobe doesn't provide support for problems caused by improperly modifying the registry, which contains critical information about your system's hardware and software. Before modifying the registry, create a backup of the registry. For more information about the registry, see the documentation in Windows or contact Microsoft.

Click Start, type regedit in the Search text field, and then press Enter. The Registry Editor opens. In the left pane of the Registry Editor, navigate to the following keys and rename or delete them: Note: It's possible that not all these keys are present. Reinstall the versions of the. NET Framework you uninstalled. Install the oldest version of the. NET Framework and work toward the newest version.

Also, install the latest version of the. Note : You can download the most current and previous versions of the. NET Framework from Microsoft's.



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