Auto Login to PC after restart

Sometimes, there are background processes and application that need the user to be logged on to the PC before they will run. On a domain PC, this is normally not possible. However, you can modify the registry to enable this. NOTE: the password will be clearly seen.
 
 
In regedit, navigate to HKLM\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
 
Add or modify the key, AutoAdminLogon (String) to 0
Enter in the user credentials in the three keys – DefaultDomainName, DefaultUserName, DefaultPassword.
 

Excel opens without displaying a workbook

When you double click on an Excel workbook (.xlsx or .xls), the following message appears.

In versions of Excel pre-2007, you could fix this by editing the Open options in the WIndows Explorer, disabling DDE and adding the “%1” at the end of the command path. This is not available in Vista. However, it is not built in to the Excel Options. Open up Excel Options.

Click , then .

Go to Advanced, then the General section and remove the check on “Ignore other applications that use Dynamic Data Exchange (DDE)”