Houve algum problema o serviço shadow copy ou volume de copia de sombra, a mensagem mais comum é o codigo 0x807800A1, 0x800423F4 ou 0x800423f0
Siga esses passos para tentar a resolução (Em inglês, pois foi retirado do site da Microsoft)
Check theVolume shadow copy service in services window. To check follow these steps:
1. Click on Start
2. In the start Search box type Services
3. Right Click on – Run as Administrator
Check if the below mentioned services has the mentioned status and start up type.
Volume Shadow Copy Service Started Automatic
Also check the dependency services that are required for Volume Shadows Copy Service to run.
To check that double click on the service and click on the dependency tab.
Disable the firewall/ anti-virus temporarily installed on your computer and then check if the issue still persists. If the issue resolves, then you might need to uninstall the software and reinstall it back or change the settings and check.
Note: Antivirus software can help protect your computer against viruses and other security threats. In most cases, you should not disable your antivirus software. If you do have to temporarily disable it to install other software, you should re-enable it as soon as you’re done. If you are connected to the Internet or a network during the time your antivirus software is disabled, your computer is vulnerable to attacks.
Alsocheck a drive for errors: