Kinds of 100 Files

Dominant 100 File Type

.100

Formatting:	.100
Classification:	BIOS Upgrade File Version 1.0

This type of file is primarily linked with BIOS Upgrade File Version 1.0.

Programmer:	Microsoft Corporation
Kind:	Data Files
Subkey:	HKEY_CLASSES_ROOT\.100

Software Programs That Open The BIOS Upgrade File Version 1.0:

Microsoft Windows by Microsoft Corporation

Windows

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Troubleshoot 100 Files

Frequent 100 Opening Issues

Microsoft Windows Disappeared

You attempt to load your 100 file and get an error such as "%%os%% Can't Open The 100 File Extension". If this is the case, it's usually due to the fact that you do not have Microsoft Windows for %%os%% installed on your computer. You won't be able to double-click to open your 100 because your OS doesn't know what to do with it.

Tip: If you have another software that you know opens 100 files, you can select it by hitting the "Show Apps" button.

Microsoft Windows is Out-of-Date

Sometimes your installed version of Microsoft Windows won't support your BIOS Upgrade File Version 1.0 file. If you've got the wrong version of Microsoft Windows installed, you'll need to install the correct version. Your BIOS Upgrade File Version 1.0 file was probably created by a newer release of Microsoft Windows than what's currently installed your computer.

Tip: Right-clicking on your 100, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.

Regardless, most of the 100 file opening problems relate to not having the right version of Microsoft Windows installed.

Additional 100 Opening Issues

In the majority of cases, installing the right version of Microsoft Windows will resolve your issue. There can be other issues - unrelated to software - preventing you from opening 100 files. Problems unrelated to software:

• Invalid 100 file references in the Windows Registry (the "phonebook" of the Windows Operating System)
• The 100 file description within the Windows Registry was removed
• Microsoft Windows or another 100 application experienced a flawed installation
• 100 file corruption
• Your 100 is infected with malware
• Drivers associated with 100 software need to be updated
• Windows cannot load your BIOS Upgrade File Version 1.0 file due to insufficient resources (eg. RAM)