Updated FAQ (markdown)

FAQ.md

@@ -1,5 +1,16 @@
 **This page will hold the answers for Frequently Asked Questions.**
 
+## Broser Issues
+
+My browser get stuck, is not responding, ...
+
+First, make sure you are using a modern web browser, preferably Mozilla Firefox or Google Chrome. Although our objective is to support all modern browsers, rapid development prevents us doing extensive testing across many platforms; hence, we stick with the mentioned two browsers now.
+
+Make sure you refresh your browser cache (`Ctrl+F5`) before logging in, especially if new version has been deployed. The refresh will prevent older pieces of the application to linger in your cache. This is just a precaution.
+
+Sometimes, a component on a page does not refresh itself correctly. The application is a complex system of components and still under development. If you make an action and do not see the results in a reasonable while, refresh the page.
+
+
 ## How to register into ReCodEx and what method should I use?
 
 ReCodEx can provide multiple way how to register and login users. Currently there are two options: local ReCodEx account or account binded to CAS service. Prefered way of registration and authentication is using CAS service and using local account only on special circumstances. CAS authentication provides more features, such as automatic binding of users to SIS groups.