我从官网这里下载了TortoiseHg应用程序，版本号是4.6.1。但当我点击TortoiseHg工作台时，它无法打开且没有出现错误提示。即使我尝试使用命令行克隆，也会出现以下错误：
adding changesets
adding manifests
adding file changes
transaction abort!
rollback completed
** unknown exception encountered, please report by visiting
** https://mercurial-scm.org/wiki/BugTracker
** Python 2.7.13 (v2.7.13:a06454b1afa1, Dec 17 2016, 20:53:40) [MSC v.1500 64 bit (AMD64)]
** Mercurial Distributed SCM (version 4.4.1)
** Extensions loaded:
Traceback (most recent call last):
File "hg", line 61, in <module>
File "mercurial\dispatch.pyo", line 85, in run
File "mercurial\dispatch.pyo", line 173, in dispatch
File "mercurial\dispatch.pyo", line 313, in _runcatch
File "mercurial\dispatch.pyo", line 321, in _callcatch
File "mercurial\scmutil.pyo", line 154, in callcatch
File "mercurial\dispatch.pyo", line 303, in _runcatchfunc
File "mercurial\dispatch.pyo", line 940, in _dispatch
File "mercurial\dispatch.pyo", line 701, in runcommand
File "mercurial\dispatch.pyo", line 948, in _runcommand
File "mercurial\dispatch.pyo", line 937, in <lambda>
File "mercurial\util.pyo", line 1183, in check
File "mercurial\commands.pyo", line 1425, in clone
File "mercurial\hg.pyo", line 670, in clone
File "mercurial\exchange.pyo", line 1294, in pull
File "mercurial\exchange.pyo", line 1936, in _maybeapplyclonebundle
File "mercurial\exchange.pyo", line 2119, in trypullbundlefromurl
File "mercurial\bundle2.pyo", line 342, in applybundle
File "mercurial\bundle2.pyo", line 449, in processbundle
File "mercurial\bundle2.pyo", line 456, in processparts
File "mercurial\bundle2.pyo", line 523, in _processpart
File "mercurial\bundle2.pyo", line 1620, in handlechangegroup
File "mercurial\bundle2.pyo", line 459, in _processchangegroup
File "mercurial\changegroup.pyo", line 341, in apply
File "mercurial\changegroup.pyo", line 972, in _addchangegroupfiles
File "mercurial\ui.pyo", line 1552, in progress
File "mercurial\progress.pyo", line 301, in progress
File "mercurial\progress.pyo", line 156, in show
File "mercurial\encoding.pyo", line 227, in colwidth
LookupError: unknown encoding: cp65001
我不知道问题出在哪里，我总是安装应用程序一切顺利，请指点我是否需要先安装或检查其他内容以确保一切正常工作。
提前感谢。