Friday, April 20, 2012

Fix Runtime Error 91

Runtime error 91 appears due to incomplete installation, incorrect settings in registry database and malware infection.

Try instructions given in this article to fix this problem of yours:

Repair Windows Registry:

First of all repair registry in order to fix runtime error 91 on your system. Follow the instructions given below to repair registry.


  • Download and Install some reliable Registry Repair Software such as Reginout
  • Start full registry scan.
  • Repair Errors

Uninstall and Reinstall Software:


Identify which Software/Program is causing error 91 on your system. Once identified, try uninstalling and reinstalling program to fix it.


  • Click on Start | Select Control Panel
  • Double click on Add or Remove Program
  • Select suspected program | Uninstall it
  • Restart your system.
  • Download or Install the program again

Download Microsoft Redistributable Package VC++:


Download and install the latest version of Microsoft Redistributable package VC++ from Microsoft’s corporate website in order to fix error 91.


  • Visit Microsoft’s website.
  • Click on Download Section | Choose the Component
  • Download and install it.

Clean Boot Windows:


Clean boot means you need to disable All Windows Services. Clean boot should fix error code 91. Follow the steps given below.

  • Close all active programs.
  • Click on Start and type MSCONFIG in Search
  • Click on Services | Disable All Microsoft Services
  • Click on Selective Startup | Disable Startup items
  • Restart your system.
  • Once you issue is resolved you can re-enable those Services and Start up items

Disable Script Debugging:

Disable script debugging to resolve runtime errors. Follow the instructions given below:


  • Open Internet Explorer | Select Tools
  • Click on Internet Options | Advanced
  • Now from the Windows—disable script debugging (Internet Explorer) and Disable script debugging(Others)
  • OK

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