Cause. The following sections describe why you may receive a given error code. Error code 0x80004005. This problem may occur if a file that the Windows Product Activation (WPA) requires is damaged or missing. This behavior occurs if one or both of the following conditions are true:

Restoring files from a backup. Restoring files from previous versions. Learn how to recover files that have been lost, deleted, or accidentally changed.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

At the command prompt, type the following command, and then press ENTER: sfc /scannow. The sfc /scannow command will scan all protected system files, and replace corrupted files with a cached copy that is located in a compressed folder at %WinDir% \System32\dllcache. The %WinDir% placeholder represents the Windows operating system folder.

Show or hide the Recycle Bin. Select the Start  button, then select Settings . Select Personalization > Themes > Desktop icon settings. Select the Recycle Bin check box > Apply. To get to desktop icon settings in Windows 8.1, swipe in from the right edge of the screen, then select Search.

In your Microsoft account: Open a web browser on another device. Go to https://account.microsoft.com/devices/recoverykey to find your recovery key. Tip: You can sign into your Microsoft account on any device with internet access, such as a smartphone. It should look something like this:

To restore files from your Recycle Bin in Windows, open the Recycle Bin, select the files or folders you want to recover, then right-click them and select Restore. The file or folder will be restored to its original folder.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View. If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this: Select Start > Settings > Personalization > Themes > Desktop icon settings.

There are two ways to open Registry Editor in Windows 10: In the search box on the taskbar, type regedit, then select Registry Editor (Desktop app) from the results. Right-click Start , then select Run. Type regedit in the Open: box, and then select OK.

Find the Recycle Bin. If your desktop shows no icons at all, right-click (or press and hold) the desktop and select View. If Show desktop icons has no checkmark, click it to add one. If that doesn't work, try this: Select Start > Settings > Personalization > Themes > Desktop icon settings.