A, restart the machine, and then install, if you find that the error, please follow the steps below
B. Enter regedit in Start-to-run
C, to Hkey_local_machine\system\currentcontrolset\control\sessionmanager\
D, right-click PendingFileRenameOperations in the right window, select Delete, then confirm
E, restart the installation, problem solving
If you have the same problem, check the other registry for the value exists, such as please delete it. Invalid credentials supplied by SQL Server 2008 Proxy service The SQL Server 2008 Proxy service has invalid credentials
Problems that occur when you install SQL Server 2008 in Windows Server 2008:
The following issues occurred during installation at the "Server Configuration" link:
The credentials provided for the SQL Server Agent service are not valid
Invalid credentials specified for SQL Server service
Invalid credentials provided for the Analysis Services service
The credentials provided for the Reporting Services service are invalid
The credentials provided for the Integration Services service are invalid
Workaround:
SQL Server Agent selected SYSTEM
SQL Server Database Select NETWORK SERVICE
SQL serveranalysis Services Select NETWORK SERVICE
SQL serverreporting Services Select NETWORK SERVICE
SQL serverintegration Services Select NETWORK SERVICE
Do not set a password.
SQL Server 2008