# Internet Explorer Helper Is Not Compatible

> Fix the compatibility message about PerformanceGuard Helper in Internet Explorer on Windows 8 and Server 2012.

Source: https://docs.capaone.com/performanceguard/troubleshooting/troubleshoot-server/internet-explorer-helper-is-not-compatible/  
Product: PerformanceGuard — a separate CapaSystems product; do not apply this page to any other.

<font style="color: #404040;">On Windows 8 and Windows Server 2012 you may get the following message when you open Internet Explorer:</font>

![](/attachments/performanceguard/f081b5a8-f1d7-4ae3-a661-a19bbf13d902.png)

*<font style="color: #404040;">'PerformanceGuard Helper' from 'CapaSystems A/S' isn't compatible with Internet Explorer's enhanced security features and has been disabled.</font>*  
<font style="color: #404040;">When that's the case, you won't be able to use</font> [Web Applications](/performanceguard/administration/network-applications/web-applications/)<font style="color: #404040;">, because the helper file is an important part of the transaction filter functionality.</font>

<font style="color: #404040;">Solutions are available: See the CapaSystems support team's list of</font> [Helper isn't compatible with Internet Explorer enhanced security features](..\..\..\..\PerformanceGuard%20Public\PerformanceGuard%20Home\PerformanceGuard\Known%20Issues\Known%20issues%20-%20all%20versions\Helper%20isn_t%20compatible%20with%20Internet%20Explorer%20enhanced%20security%20features.md)**.**