Windows users may experience this error when trying to access various files, apps, or platforms using a specific access code. However, strangely enough, although the code is correct, users are not granted access to the respective apps and files. There are also cases where the invalid code error prevents users from completing various actions, such as importing app or hardware settings or resetting passwords. In order to make sure that the invalid code error is genuine and is not triggered by inappropriate keyboard layout, verify your keyboard settings first. On Windows 10, go to Settings > Time & Language > Regions & Languages and select the appropriate keyboard layout.

Fix The access code is invalid error

1. Run a full system scan

Malware may cause various issues on your computer, including errors. Perform a full system scan in order to detect any malware running on your computer. You can use Windows’ built-in antivirus, Windows Defender, or third-party antivirus solutions.

2. Repair your registry using CCleaner

The simplest way to repair your registry is to use a dedicated tool, such as CCleaner. Don’t forget to first backup your registry in case anything goes wrong. If you haven’t installed any registry cleaner, check out our article on the best registry cleaners to use on Windows 10.

3. Use Microsoft’s System File Checker to check for system file corruption.

  1. Go to Start > type cmd > right-click Command Prompt > select Run as Administrator

  2. Now type the sfc /scannow command

  3. Wait for the scanning process to complete and then restart your computer. All corrupted files will be replaced on reboot.

4. Update your OS

Make sure that you’re running the latest Windows OS updates on your machine. As a quick reminder, Microsoft constantly rolls out Windows updates in order to improve the system’s stability and fix various issues. Go to Windows Update, check for updates and install the available updates. To access the Windows Update section, you can simply type “update” in the search box. This method works on all Windows versions. SPONSORED

If you’re looking for a particular update, go to Microsoft’s Update Catalog website. Simply type the KB number of the respective update, hit Enter and then click on the download button.

5. Remove recently installed software

If you recently installed new software on your computer, try uninstalling it. The respective software may have changed various elements on your computer triggering the invalid code error. Go to Start > type Control Panel > select the program(s) recently added > click Uninstall.

Then restart your computer, and copy the files again.

5. Use the hidden Administrator account

You might also want to read our guide on how to make yourself an Administrator in Windows 10

6. Check your permissions

if your user name isn’t on the list, add it manually and then change the permissions. Grant Full control to both Administrators and Users over the problematic folder, or even Full control to Everyone. There is also one particular situation where ERROR_INVALID_ACCESS 12 (0XC) occurs, requiring you to use specific troubleshooting methods.

7. The access code is invalid error on printers

  1. Go to Start > type powershell > right-click the tool > Run as Administrator

  2. Type the get-printer/set-printer -PermissionSDDL command and hit Enter

Have you encountered the ERROR_INVALID_ACCESS in other situations? If so, you can also list the necessary troubleshooting steps in the comments below.

What is the system error?

A Windows system error, as the term describes it, is a problem with the operating system causing it to malfunction. The system error term can be extended, of course, to any other system.

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