By skyforbes 
Getting run time error 91 when opening excel? or showing dcomcnfg.exe runtime error 91 while execute an application or open file explorer on windows 10, 8.1 or 7? Here this post we discuss What is Run time error? Why getting dcomcnfg.exe run time error 91, And every possible solutions to fix this Error.
What is Run time Error?
Runtime error is a common error on Windows-based systems, caused by the programs which try and use the DCOMCnfg.exe file on your system. DCOMCnfg.exe is a most important program that is used to control various file permission on your system. Also, this help to load up various programs on your computer. If this DCOMCnfg.exe get corrupted windows will display error message Runtime Error 91 frequently.
The error message will be like
Run time Error '91' :Object variable or with block variable not set.
Fix Runtime Error 91 on windows 10
You may find software updates that solve your run time error as well as additional updates that you were otherwise unaware of. By keeping your computer updated with the latest software and hardware patches, you can solve current problems as well as prevent future ones. The first thing to do is report the issue to the developer who may not be aware of it.
Next, you can turn of script debugging so that you don’t have to see this message every time the software encounters it. After all, the message is for the developer, not the end user.
Disable Script Debugging
Script debugging is made possible by a service called Machine Debug Manager. The easiest way to control it is through Internet Explorer. Type Internet Options on Start menu search and click the first option. Here on internet options move to Advanced Tab. Now scroll down to Browsing and click on Disable Script Debugging (Internet Explorer) and Disable Script Debugging (Other) continue Reading…