WINFAP FAQ
Frequently Asked Questions
General
Installation
Technical
- In WINFAP 5.3, when using the 2025 method for catchments less than 25km2, the small catchments selection box is ticked and disabled.
 - In WINFAP 5.3, when the 2008 method is selected, the user may select to use the small catchment methods when the catchment is larger than 40km2.
 - What are the differences between WINFAP 5.1 and WINFAP 5.2 and the two NRFA PF version 13 datasets?
 - Minimised window is no longer visible
 - Why is the QMED different in WINFAP to that reported by the NRFA (where AMAX are present on 1st October)?
 - Graphs are not fully displayed in WINFAP 5.1+
 - When using multiple pooling groups the results may be inconsistent with the ‘Show urbanised results’ selection box
 - Can I open WINFAP 4 projects in WINFAP 5?
 - Error loading saved projects in WINFAP 4
 - What is a permeable or non-flood years adjustment?
 
Licensing
- Can I still use WINFAP/ ReFH 2 with third-party tools if I switch to a network licence?
 - Can users migrate from standalone to network WINFAP/ReFH2 licences mid-contract?
 - Can I mix licences between network and standalone?
 - Network licences – if a new version of WINFAP or ReFH2 is released, can I upgrade?
 - How do I view my licence information and expiry date?
 - How do I transfer my licence to another computer?
 - How do I renew my WINFAP licence?