If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

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Symptoms. When you try to install, update or start a program or a file, you receive the following error message: Error: Windows cannot access the specified device, path, or file. You may not have the appropriate permission to access the item. Resolution.

Symptoms. After you install a program on your computer, the program is not listed in the Add/Remove Programs tool in Control Panel. Also, other programs that are installed on your computer and that were previously listed in Add/Remove Programs may no longer be listed.

When you run an .exe file on a Windows based computer, the file may start a different program. Resolve issues where you cannot start .EXE files on Windows 7 and Windows Vista.

Reset OneDrive. Resetting Microsoft OneDrive can sometimes resolve sync issues and resets all OneDrive settings. OneDrive will perform a full sync after the reset. Important: You won't lose files or data by resetting OneDrive on your computer.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

With Link to Windows on your Android device and the Phone Link on your PC, your opportunities are limitless. Seamlessly transfer content between your devices, use your mobile apps right on your PC, and more.

Make older apps or programs compatible with Windows. Most apps (and other programs, like games or utilities) that were created for earlier versions of Windows will work in the most recent versions of Windows 10 and Windows 11, but some older ones might run poorly or not at all.

To install a Windows product update on a single computer, run the product update program on the computer that you want to update. To install multiple product updates without restarting the computer between each installation, use the /z switch. Command-line options for the Update.exe program.