How to fix Runtime Error 91 on Windows?

  • Are you encountering Runtime Error 91 on Windows and finding it frustrating to deal with? Don't worry, you're not alone! This error is a common issue that many Windows users face. It occurs when the system is unable to locate an object in memory, leading to unexpected crashes and shutdowns. But don't fret just yet – we've got some simple solutions that can help fix this problem in no time! In this article, we will guide you through the steps to resolve Runtime Error 91 on Windows and get your PC back up and running smoothly again. So let's dive right into it!

    What is Runtime Error 91?

    Runtime Error 91 is a common issue that occurs when a program attempts to access an object in memory that doesn't exist. It usually happens when the user tries to open or close a file, run an application, or perform other tasks on their Windows computer. Find-: Runtime Error 10061

    This error can be caused by various factors such as corrupted registry entries, missing DLL files, viruses and malware infections, outdated drivers and software conflicts. When Runtime Error 91 occurs, it may display different error messages on your screen such as "Object variable or With block variable not set", "Run-time error '91': Object variable or With block variable not set" among others.

    The good news is that Runtime Error 91 can be fixed easily with some simple troubleshooting steps which we'll cover later in this article. By following these steps carefully you can resolve the issue yourself without having to seek professional help.

    How to Fix Runtime Error 91 on Windows?

    Runtime errors can be a nightmare for users, causing frustration and disrupting productivity. One such error is the Runtime Error 91 which usually occurs when an application tries to access an object that doesn't exist or hasn't been assigned a value.

    Here are some steps you can take to fix this error:

    1. Check for missing references: Make sure all the required DLL files and references are present in your system.
    2. Update your software: If the error occurred while using a specific program, try updating it to its latest version as newer versions often fix bugs and errors.
    3. Reinstall affected programs: Uninstalling and reinstalling any program experiencing runtime errors could solve them.
    1. Clean up registry issues: Use a trusted registry cleaner tool like CCleaner or Wise Registry Cleaner to clean up any potential issues. Find more-: Record Loan in Sage 50
    2. Try Compatibility Mode: Some older applications may require compatibility mode settings enabled in order to function properly on newer operating systems like Windows 10.

    By following these steps, you should be able to troubleshoot and resolve most instances of Runtime Error 91 on your Windows system quickly and efficiently!

    Steps to take before trying to fix Runtime Error 91

    Before diving into ways to fix Runtime Error 91 on Windows, it is important to take a few steps that can help resolve the issue. The first step is to ensure that all software and system updates are up-to-date on your computer. Sometimes, outdated software can cause this error message to appear.

    • Next, try restarting your computer as it may clear out any temporary issues or conflicts causing the error message. Additionally, check if there are any pending tasks or processes running in the background that could be interfering with the application you're trying to run.
    • If you have recently installed new hardware or software on your computer before encountering this error, try uninstalling them temporarily and see if it resolves the issue. It's possible that these additions might be causing compatibility issues leading to Runtime Error 91.
    • Make sure that your antivirus and firewall settings aren't blocking any of the applications involved in producing Runtime Error 91. You can also try disabling them temporarily while troubleshooting for a solution.

    Taking these steps beforehand could potentially save time and effort when attempting to fix Runtime Error 91 on Windows.

    Other things to try if Runtime Error 91 persists

    If you've tried the previous steps we've mentioned but Runtime Error 91 still persists, there are a few other things to try:

    1. Check for updates: Ensure that your Windows operating system and all relevant programs are up-to-date. This can often solve issues related to compatibility or outdated software.
    2. Repair registry errors: Use a trusted registry cleaner tool to scan your system's registry for errors and fix any issues found. Corrupted or invalid entries in the registry can cause runtime errors like Error 91.
    3. Disable add-ins: If you're experiencing the error while using Microsoft Office applications, it might be due to an incompatible add-in or plugin installed on your computer. Try disabling them one by one until you find the culprit.
    4. Reinstall affected program: If the error occurs while running a specific program, try uninstalling and then reinstalling it fresh from scratch.
    1. Seek professional help: In some cases, Runtime Error 91 may persist despite trying all of these solutions on your own. Don't hesitate to seek assistance from a qualified technician or support team who can diagnose and resolve more complex issues with ease.

    Remember that each system is unique, so not every solution will work for everyone experiencing this issue!


    Runtime Error 91 can be a frustrating issue to encounter on your Windows operating system. However, with the above steps and solutions, you should be able to fix it in no time. Remember to always take precautionary measures like backing up your files before attempting any fixes.

    • Don't forget that prevention is better than cure. Keep your computer updated with the latest security patches and software updates. Regularly scan for viruses and malware as they can cause runtime errors or even worse issues on your PC. Also Read-: unable to connect to sage data service on machine
    • If all else fails, seek expert help from a professional technician or support service provider who can offer further assistance in resolving the problem.

    With these tips and tricks, you should be able to tackle Runtime Error 91 with ease!