Open Windows 11 File Explorer, type “regedit” in its address bar, and press Enter to launch Windows Registry Editor. Alisa is a professional English editor with 4-year experience. She loves writing and focuses on sharing detailed solutions and thoughts for computer problems, data recovery & backup, digital gadgets, tech news, etc. Through her articles, users can always easily get related problems solved and find what they want.

  • To do so, you have to launch the Command Prompt by entering Windows Recovery Environment.
  • However, as your PC is not booting up, you need to follow a method to get it done.
  • This means many of the files are locked and can’t be deleted normally.
  • Sometimes, you might get Windows update error 80072EFE because of corrupted files in the system folder of updates.

Most of these sites just want your traffic, and once a DLL is uploaded, they have little incentive to ensure that the file is kept up to date. DLL files also becomes a form of separating functionalities physically as explained above. Good applications also try to not load the DLL files until they are absolutely required, which reduces the memory requirements. This too causes applications to ship with a lot of DLL files.

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Odds are deleting rundll32.exe will break tons of things and make running your PC normally a headache. However, malware can pretend to be a legitimate copy of rundll32.exe or use the real rundll32.exe to execute malicious code on your PC. He’s been running the show since creating the site back in 2006. Over the last decade, Lowell has personally written more than 1000 articles which have been viewed by over 250 million people. Prior to starting How-To Geek, Lowell spent 15 years working in IT doing consulting, cybersecurity, database management, and programming work.

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If the problem relates to a program or service, click Application. If it relates to Windows itself, such as a startup or shutdown error, click System. Either option will show you a long list of logs, including the dates and times that events occurred. There’s currently an issue with the new Start Menu search bar that prevents it from being typed into. There are other ways to perform a search on Windows 11, but for anyone bringing this habit with them over from a previous OS it’s a nuisance to change. Microsoft has also acknowledged the problem, stating that opening the Run window will enable you to type into the search bar again. You can do this by hitting Win+R on your keyboard, and when it appears you can close it as you don’t actually need to type or run anything.

CatRoot2 is a particular folder responsible for Windows updates as it stores the specific Windows update package signatures. You can remove the corrupted or affected files by deleting this folder. To delete this folder, you need to follow a few steps mentioned below. System file corruption can result in severe issues with your operating system, including blue screen errors. SFC, or System File Checker, is a built-in Windows utility for troubleshooting.

Memory management

If the library is dynamic the linker will not insert object code but rather it will insert a stub which basically says this function is located in this DLL at this location. In the same way that an application requires a DLL file, a DLL file might be dependent on other DLL files itself. If one of these DLL files in the chain of dependency is not found, the application will not load. This is debugged easily using any dependency walker tools, like Dependency Walker.

Scroll to the bottom of the page to find the download links. Alternatively, to filter the logs by date and severity, click Filter Current Log in the Actions section. Choose an option from the Logged menu, such as Last 24 hours or Last seven days. Launch Event Viewer by typing event into the Start menu search bar and clicking Event Viewer. The important information is stored under Windows Logs, so double-click that option in the folder tree to open its subfolders.

You are recommended to right-click on the best match and choose Run as administrator or just click on the Run as administrator option. Check out our in-depth guide to backing up the Registry to ensure you’re never left with a Registry you can’t restore. Opening a key and changing a value is as easy as expanding the Registry tree until you find the value you’re looking for and then double-clicking the value you want to change. Restart your PC after this and then check if the issue is still there.