Close eM Client and open a Windows Command Prompt. Not a powershell, but a command prompt.
Paste in this command:
"C:\Program Files (x86)\eM Client\MailClient.exe" /dbrepair
When that is done, restart eM Client.
Close eM Client and open a Windows Command Prompt. Not a powershell, but a command prompt.
Paste in this command:
"C:\Program Files (x86)\eM Client\MailClient.exe" /dbrepair
When that is done, restart eM Client.