Supported Software

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If you are having trouble using alpca.org from some computers, you may be using a vulnerable version of encryption (SSLv3). For information on how to disable SSLv3 and enable TLS 1.x,, see these tips.

Because of security and compatibility issues, ALPCA support for Internet Explorer 6 and 7 ended on November 30th, 2014.

Microsoft-supported browser+OS combinations

Note that Microsoft announced in August 2014 that starting January 12, 2016, they will only support the latest browser available on each operating system.

As of December 2014, they are:

Windows Platform Internet Explorer Version
Windows 8.1 Internet Explorer 11
Windows 10 Internet Explorer 11 or Edge

What's a browser? If you are not sure what web browser you are using, the Support Details website can tell you.

ALPCA Supported Browsers and Operating Systems

ALPCA support for Windows XP, Vista, and Windows 7 has ended.

Your personal and financial information are at risk if you continue to use Windows XP, Vista, or Windows 7.

The ALPCA site started phasing out support for Windows XP on July 31, 2014. Support officially ended on November 30, 2014. Microsoft ended support for Windows XP on April 8, 2014.

The ALPCA site started phasing out support for Windows Vista on May 1, 2017. Support officially ended on November 30, 2017. Microsoft ended support for Windows Vista on April 11, 2017.

Support for Windows 7 officially ended on January 20, 2020.

If your computer came with Windows XP, Vista, or Windows 7:

If you are not sure what operating system you are using, the Support Details website can tell you.

Migration tools from Microsoft

See also the site changelog.