It appears to be a result of removing the following from the registry:
"InfoTip"="prop"
"EditFlags"=hex,01,00,00
"AlwaysShowExt"=""
@="File Folder"
@="{D969A300-E7FF-11d0-A93B-00A0C90F2719}"
@="{A70C977A-BF00-412C-90B7-034C51DA2439}"
@="%SystemRoot%\\System32\\shell32.dll,3"
@="\"D:\\Program Files\\XnView\\xnview.exe\" \"%1\""
@="%SystemRoot%\\Explorer.exe"
@="Folders"
@="AppProperties"
@=""
"NoActivateHandler"=""
"SuppressionPolicy"=dword
@="none"
@="{23170F69-40C1-278A-1000-000100020000}"
@="{A470F8CF-A1E8-4f65-8335-227475AA5C46}"
@="{750fdf0e-2a26-11d1-a3ea-080036587f03}"
@="{f81e9010-6ea4-11ce-a7ff-00aa003ca9f6}"
@="{67EA19A0-CCEF-11d0-8024-00C04FD75D13}"
@="{217FC9C0-3AEA-1069-A2DB-08002B30309D}"
@="{DB70412E-EEC9-479C-BBA9-BE36BFDDA41B}"
@="{ECF03A33-103D-11d2-854D-006008059367}"
@="{40dd6e20-7c17-11ce-a804-00aa003ca9f6}"
@="{23170F69-40C1-278A-1000-000100020000}"
@="{d03d3e69-0c44-3d45-b15f-bcfd8a8b4c7e}"
@="{f81e9010-6ea4-11ce-a7ff-00aa003ca9f6}"
@=""
@=""