> ## Content Index > Fetch the complete content index at: https://todayfixtech.com/llms.txt > Use this file to discover other available public pages before exploring further. # What to Do After Updating to Windows 11 26H1 - URL: https://todayfixtech.com/windows-11-26h1-update-guide/ - Published: 2026-09-23T09:25:18.000Z - Updated: 2026-09-23T09:25:18.000Z - Author: Md Sojib Mia - Tags: Windows 11, Updates, Troubleshooting, Tech Tips, Performance If you're [experiencing issues after updating to Windows](https://todayfixtech.com/windows-11-usb-audio-code-10-error/) 11 26H1, you're not alone. Many users report slower performance, application crashes, and unexpected errors following this update. While these problems can be frustrating, they often stem from temporary glitches that can be resolved with some straightforward troubleshooting steps. In this guide, we'll cover common issues you might face, how to address them, and where to find additional support if necessary. ## Why is my computer acting strange after the 26H1 update? After a significant update like 26H1, it's [common for users to](https://todayfixtech.com/fix-microsoft-copilot-issues/) notice unusual behavior from their computers. You might experience slow performance, where commands take longer to execute, or encounter application errors, where programs crash or fail to open. These issues can be caused by several factors, including software incompatibilities, incomplete updates, or background processes consuming system resources. Fortunately, these problems are usually temporary and can be fixed with some patience and troubleshooting. ## How can I fix performance issues after the update? If you're dealing with performance issues, start with some basic troubleshooting steps. First, run system diagnostics to pinpoint any underlying problems; you can find these tools in the Settings menu. Next, check for driver updates, particularly for graphics and network drivers, since outdated drivers can contribute to performance lags. Adjusting your power settings to 'High Performance' may also help improve speed. If certain applications are slowing down your system, check for updates or consider closing them if they are running unnecessarily in the background. While these actions often enhance performance, persistent issues may require further troubleshooting. ![A user interacting with a Windows 11 laptop, running performance tests.](https://tse1.mm.bing.net/th?q=user%20running%20performance%20tests%20on%20Windows%2011&w=624&h=352&c=7) ## What if my applications aren’t working properly? If specific applications aren't functioning correctly, it might be due to compatibility issues with the 26H1 update. Begin by visiting the official website of the application to check for any updates or patches that address compatibility with the new version. Should the application continue to malfunction, try uninstalling and reinstalling it; this can often fix problems caused by corrupted files during the update. If you're using older software, it may not be compatible with Windows 11, so you might need to explore alternative applications. ## Where can I find help if the problems persist? If you've tried troubleshooting and issues continue, there are several resources to seek assistance. Microsoft's official support site is a great starting point; it features articles and forums that address recent updates. Community forums, such as the Microsoft Community and Reddit, can also provide valuable insights, as other users may have faced similar challenges and found solutions. Additionally, user groups on social media platforms can offer support and share experiences related to the 26H1 update. ## What should I do if I want to roll back the update? If you're dissatisfied with the 26H1 update, you can roll it back. To do this, navigate to Settings, select 'Update & Security,' and click on 'Recovery.' You will find an option to 'Go back to the previous version of Windows 11.' Keep in mind that this process carries risks; you may lose any changes made since the update, so it's advisable to back up your data first. Also, be aware that rolling back may not resolve the issues if they stem from hardware incompatibility or other factors. ## Conclusion To resolve performance issues and application errors, start with the troubleshooting steps outlined above. If those do not help, explore the available support resources for further assistance. Ideally, these actions will lead to a smoother experience and improved functionality of your applications. If necessary, consider rolling back the update, but weigh the potential risks involved. ## Frequently Asked Questions ### What are the most common issues after updating to Windows 11 26H1? Common issues include slow performance, application crashes, and unexpected errors. Many users find that these problems are often temporary and can be resolved through troubleshooting. ### How do I check for driver updates after the 26H1 update? To check for driver updates, go to Settings, select 'Update & Security,' and then click on 'Windows Update.' Look for optional updates, which may include driver updates. ### Can I uninstall Windows 11 26H1 if I don’t like it? Yes, you can uninstall the 26H1 update by going to Settings, selecting 'Update & Security,' and then 'Recovery.' You'll find the option to revert to the previous version of Windows 11. ### What should I do if an application won’t open after the update? If an application won't open, first check for updates. If it still doesn't work, try uninstalling and reinstalling the application to resolve any issues that may have arisen during the update. ### Where can I find more support for Windows 11 issues? Support is available on Microsoft's official support site, community forums, and user groups on social media platforms. These resources can provide useful information and solutions from other users.