Applies to all editions of Windows Vista. Which edition of Windows Vista am I using?
In this articleDelete programs you never use Limit how many programs load at startup Defragment your hard drive Clean up your hard disk Run fewer programs at the same time Turn off visual effects Try restarting if there’s a problem Add more memory Check for viruses and spyware Check your computer’s speed Disable services you don’t need Check for updates from the manufacturer Don’t settle for slow No matter how fast or shiny computers might be when they are new, they all seem to get slower over time. That state-of-the-art PC you bought last year might not feel like such a screamer after you install a dozen programs, load it with antispyware and antivirus tools, and download untold amounts of junk from the Internet. The slowdown might happen so gradually you hardly notice it, until one day you’re trying to open a program or file and wonder, “What happened to my poor PC?” Whatever the cause, there are a lot of ways to help speed up Windows and make your PC work better—even without upgradi
You must be logged on as an administrator to perform these steps. Certificates are used primarily to verify the identity of a person or device, authenticate a service, or encrypt files. Certificates are usually provided for you automatically. For example, if you purchase something online using a secure website, a certificate might be used to encrypt your credit card information. If you want a certificate for your personal use, such as providing a digital signature in e-mail messages, it might not be provided automatically. In this case, you would contact a certification authority to request a certificate and import it. For more information, see Import or export certificates and private keys. If you work for an enterprise that uses certificates for network access and the certificate is not automatically renewed, you might get a message saying that a certificate has expired. Follow these steps to get a new one or to renew one. NoteThese steps only work to request a certificate from an en
