This post helps Fix "Error 0x00000000: The operation completed successfully." while trying to copy some stuff in your Windows.
Solution (may work for Windows Live Mail (2012) users only): step 1: try repairing the Windows Essential on your computer. Press Windows logo key + X key. Click on Control Panel. Click on Programs and Features. Right click on Windows Essential and select Uninstall. Refer to the below image.
Now, select "Repair all Windows Essential programs".
After the repair process is completed, restart your computer.
Other voices on the web: 1. Get the admin access, and run System File Checker tool.
See details@ goo.gl/Etjaa2 "Use the System File Checker tool to repair missing or corrupted system files". 2. Boot your system in Windows Safe Mode and try executing the operation later.
See related info@ goo.gl/AGtMBw "Start Windows in Safe Mode or Safe Mode with Networking". 3. check whether current user account has full control over the drive and files or not.
4. Check if you're using a standard user account. If yes, you can convert that to an Administrator account.