found this today and report it tou your tracker as proposed by the program
Created originally on Bitbucket by Anonymous
#!python ** Mercurial version (4.6). TortoiseHg version (4.6) ** Command: --nofork workbench ** CWD: C:\Users\l.ries\Documents\Visual Studio 2017\Projects\vb_dafit ** Encoding: cp1252 ** Extensions loaded: tortoisehg.util.configitems ** Python version: 2.7.13 (v2.7.13:a06454b1afa1, Dec 17 2016, 20:53:40) [MSC v.1500 64 bit (AMD64)] ** Windows version: sys.getwindowsversion(major=6, minor=2, build=9200, platform=2, service_pack='') ** Processor architecture: x64 ** Qt-5.9.2 PyQt-5.9.1 QScintilla-2.10.2.dev1711012104 Traceback (most recent call last): File "tortoisehg\hgqt\repowidget.pyo", line 1890, in archiveRevision File "tortoisehg\hgqt\archive.pyo", line 360, in createArchiveDialog File "tortoisehg\hgqt\archive.pyo", line 79, in init TypeError: int() argument must be a string or a number, not 'changectx'