Improper folder permissions can cause Polar Help Desk 5 to hang up.

Due to how Microsoft .NET and IIS handle threading, there is an issue that may cause your installation of Polar Help Desk 5 to hang up. The culprit is the Anonymous User for IIS. If this user is different from Application Pool user, and does not have full permissions for the “instances” folder, it may cause Help Desk to stop responding. This happens because after initial web application thread is created under Application Pool user, subsequent threads will be created under Anonymous User.

Latest setup will do this for you, but in case you still run into this issue, here is what to do:

Check what Application Pool your installation of Help Desk is using and then check what user this Application Pool is running under. Will most likely be Network Service user.
Go to Security tab and select same user to be used as Anonymous User.
Alternatively, check what user is the Anonymous User, and give it full permissions of “instances” folder.

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