- Jun 9, 2013
- 6,720
52% of the most popular PC applications, including Flash and Java, are out-of-date. People are exposing their PC and their personal data to risks, as malware targets older versions of software to exploit vulnerabilities.
Most outdated programs
Gathered anonymously from 116 million Windows desktop and laptop users, Avast found the most outdated programs include:
This is closely followed by Flash, where 99% of users have yet to update this control for Internet Explorer; and Foxit Reader which sees 92% of users working with an old version of the application.
Conversely, the most up-to-date applications are Google Chrome at 88%; Opera at 84%; and Skype which is 76% up-to-date across the sampled user base, which illustrates that even the programs that auto-update are not necessarily always up-to-date.
Key findings
Windows XP is not dead: Windows XP is still installed on 6% of the PCs surveyed. Around 6.5 million users from Avast’s sample base still use XP despite Microsoft discontinuing support almost three years ago. Windows 7 is by far the most common OS with 48% of users running it, followed by Windows 10 which is used by 30%
Low memory size slows people down: 4GB was the most common by far, followed by 2GB. Smaller RAM sizes of 2GB or less may cause PCs to run and perform tasks slowly if users do more than basic emailing or running a browser with just a few tabs open. However, around 15 million Avast users are running 8GB memory suggesting bigger RAM is trending upward.
Quad-core CPU is rare: the most common processor configuration is dual-core with 77% of sampled users owning a PC with one of these chips inside. Quad-core, a more recent innovation, was only found in 15% of surveyed PCs.
Read More. Java and Flash top list of most outdated programs on users' PCs - Help Net Security

Most outdated programs
Gathered anonymously from 116 million Windows desktop and laptop users, Avast found the most outdated programs include:
- Java (Runtime 6,7)
- Flash Player (Active X)
- Foxit Reader
- GOM Media Player
- Nitro Pro
- WinZip
- DivX
- Adobe Shockwave Player
- 7-ZIP
- Firefox.
This is closely followed by Flash, where 99% of users have yet to update this control for Internet Explorer; and Foxit Reader which sees 92% of users working with an old version of the application.
Conversely, the most up-to-date applications are Google Chrome at 88%; Opera at 84%; and Skype which is 76% up-to-date across the sampled user base, which illustrates that even the programs that auto-update are not necessarily always up-to-date.
Key findings
Windows XP is not dead: Windows XP is still installed on 6% of the PCs surveyed. Around 6.5 million users from Avast’s sample base still use XP despite Microsoft discontinuing support almost three years ago. Windows 7 is by far the most common OS with 48% of users running it, followed by Windows 10 which is used by 30%
Low memory size slows people down: 4GB was the most common by far, followed by 2GB. Smaller RAM sizes of 2GB or less may cause PCs to run and perform tasks slowly if users do more than basic emailing or running a browser with just a few tabs open. However, around 15 million Avast users are running 8GB memory suggesting bigger RAM is trending upward.
Quad-core CPU is rare: the most common processor configuration is dual-core with 77% of sampled users owning a PC with one of these chips inside. Quad-core, a more recent innovation, was only found in 15% of surveyed PCs.
Read More. Java and Flash top list of most outdated programs on users' PCs - Help Net Security