我的程序有时会出现以下错误.
配置错误 
说明: 在处理向该请求提供服务所需的配置文件时出错。请检查下面的特定错误详细信息并适当地修改配置文件。 分析器错误信息: 访问被拒绝:“MetaBuilders.WebControls.MasterPages”。源错误: 
行 196: <add assembly="System.EnterpriseServices, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
行 197: <add assembly="System.Web.Mobile, Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
行 198: <add assembly="*"/>
行 199: </assemblies>
行 200: </compilation>
 源文件: c:\windows\microsoft.net\framework\v1.1.4322\Config\machine.config    行: 198 程序集加载跟踪: 下列信息有助于确定程序集“MetaBuilders.WebControls.MasterPages”无法加载的原因。
=== Pre-bind state information ===
LOG: DisplayName = MetaBuilders.WebControls.MasterPages
 (Partial)
LOG: Appbase = file:///E:/My Forums/Web
LOG: Initial PrivatePath = bin
Calling assembly : (Unknown).
===LOG: Policy not being applied to reference at this time (private, custom, partial, or location-based assembly bind).
LOG: Post-policy reference: MetaBuilders.WebControls.MasterPages
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/d0623d80/f1e5ab45/MetaBuilders.WebControls.MasterPages.DLL.
LOG: Attempting download of new URL file:///C:/WINDOWS/Microsoft.NET/Framework/v1.1.4322/Temporary ASP.NET Files/root/d0623d80/f1e5ab45/MetaBuilders.WebControls.MasterPages/MetaBuilders.WebControls.MasterPages.DLL.
LOG: Attempting download of new URL file:///E:/My Forums/Web/bin/MetaBuilders.WebControls.MasterPages.DLL.
LOG: Publisher policy file is not found.
LOG: No redirect found in host configuration file (C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\aspnet.config).
LOG: Using machine configuration file from C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322\config\machine.config.
LOG: Post-policy reference: MetaBuilders.WebControls.MasterPages, Version=1.5.5000.0, Culture=neutral, PublicKeyToken=8f1b87f9edb00944 
我只有重启电脑或者要等好久,页面才又能正常访问.不知道是什么原因?请教下各位.