Greetings

After upgrading a site from 5.5R2 I am now getting the following error... It appears on all ages, not just this particular page. I am assuiming I have a file missing or perhaps a security issue... can some one help me with where to look please.

Thanks

EventType: E

EventTime: 1/8/2012 2:20:57 PM

Source: SchedulingExecutor

EventCode: EXCEPTION

IPAddress: x.x.x.x

EventDescription: Message: Could not load file or assembly 'CMS.FileManager' or one of its dependencies. The system cannot find the file specified.
Stack Trace:
at System.Reflection.RuntimeAssembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, RuntimeAssembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.InternalLoadAssemblyName(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection, Boolean suppressSecurityChecks)
at System.Reflection.RuntimeAssembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection)
at System.Reflection.Assembly.Load(String assemblyString)
at CMS.SettingsProvider.ClassHelper.GetAssemblyInternal(String assemblyName)
at CMS.SettingsProvider.ClassHelper.GetClassInternal(String assemblyName, String className)
at CMS.Scheduler.SchedulingExecutor.ExecuteTask(TaskInfo task)


EventUrl: /