The free XP Codec Pack 6.4.9.1 download is available on our website. The built-in antivirus system shows that the program is secure. Notice that this tool can be launched on the following OSs: Windows XP/XP Professional/Vista/7/8/10 32-bit. The most popular versions of the software are 6.4, 2.5 and 2.4. XP Codec Pack team is the developer of this tool. These installation files are often used to set up the tool: aus.exe, scvhost.exe, sheet.exe, sherlock2.exe and UltraAccelXP.exe.