

Users will not be able to sign in to Backup and Sync since then. ✎One thing should be noted that Google Drive for desktop supplants Google Backup and Sync from Oct.

The old version of the application, the blocking of the Windows firewall, the wrong Google Drive path, and the interference of antivirus software may cause this problem. The problem that Google Drive and Backup can’t sign in is an occasional problem. Why Google Backup and Sync Can’t Sign in?Īs the desktop client of Google Drive, Google Backup and Sync has played an important role in backing up computer files to Google Drive and managing files in the cloud, bringing convenience to many users.īut when many users tried to log in, they received the prompt of Google Backup and Sync error 400. Did anyone know of any effective solutions?” The requested URL was not found on this server.

“Hi guys, did anybody from you get any support on this issue? It's more than days since I can't sign in to my Google Backup and Sync account from my home PC, at work office it works but at home nothing, it just says - Google Backup and Sync error: 400.
