FileNotFoundException message when there is no firefox browser installed

Hi team,

Could you help me with this error using ICEDTEA-Web? How should I proceed?

Windows 10
jdk-11.0.27.6-openj9
icedtea-web-1.8.8

```
java.io.FileNotFoundException: C:\Users\xxxx\AppData\Roaming\Mozilla\Firefox\profiles.ini
at net.sourceforge.jnlp.browser.FirefoxPreferencesFinder.find(FirefoxPreferencesFinder.java:84)
at net.sourceforge.jnlp.browser.BrowserAwareProxySelector.parseBrowserPreferences(BrowserAwareProxySelector.java:151)
at net.sourceforge.jnlp.browser.BrowserAwareProxySelector.initFromBrowserConfig(BrowserAwareProxySelector.java:114)
at net.sourceforge.jnlp.browser.BrowserAwareProxySelector.initialize(BrowserAwareProxySelector.java:101)
at net.sourceforge.jnlp.runtime.JNLPRuntime.initialize(JNLPRuntime.java:293)
at net.sourceforge.jnlp.runtime.Boot.init(Boot.java:353)
at net.sourceforge.jnlp.runtime.JnlpBoot.run(JnlpBoot.java:58)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:274)
at net.sourceforge.jnlp.runtime.Boot.run(Boot.java:63)
at java.base/java.security.AccessController.doPrivileged(AccessController.java:693)
at net.sourceforge.jnlp.runtime.Boot.main(Boot.java:214)
Unable to use Firefox's proxy settings. Using "DIRECT" as proxy type.
```