求助,windows服务器连接不上

以下是错误日志:
2016-11-07 16:31:29,687 [ERROR] django.request:256 handle_uncaught_exception Internal Server Error: /api2/events/
Traceback (most recent call last):
File “C:\SeafileProgram\seafile-server-5.1.3\seahub\thirdpart\django-1.8.10-py2.7.egg\django\core\handlers\base.py”, line 108, in get_response
response = middleware_method(request)
File “C:\SeafileProgram\seafile-server-5.1.3\seahub\seahub\base\middleware.py”, line 64, in process_request
cur_note = cache.get(‘CUR_TOPINFO’) if cache.get(‘CUR_TOPINFO’) else
File “C:\SeafileProgram\seafile-server-5.1.3\seahub\thirdpart\django-1.8.10-py2.7.egg\django\core\cache\backends\filebased.py”, line 41, in get
if not self._is_expired(f):
File “C:\SeafileProgram\seafile-server-5.1.3\seahub\thirdpart\django-1.8.10-py2.7.egg\django\core\cache\backends\filebased.py”, line 141, in _is_expired
self._delete(f.name)
File “C:\SeafileProgram\seafile-server-5.1.3\seahub\thirdpart\django-1.8.10-py2.7.egg\django\core\cache\backends\filebased.py”, line 72, in _delete
os.remove(fname)
WindowsError: [Error 32] : ‘H:\seafile-server\seahub_cache\ceec40422771f78d283f254429d1d993.djcache’
2016-11-07 17:55:53,608 [WARNING] django.request:170 get_response Not Found: /cache/global/img/gs.gif

请问是哪里有问题呢?完全按照流程安装的。

重启一下seafile server 就好了,可是过几个小时又不行了。windows服务器的数据如何备份呢?