I cant even see the logs!! What should I do? I am using 4.5.5..

I can't really do anything! It just reffreshes the page when I try to restart the application or do anything. What should I do? This is the common error:

UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20060206 Songbird/0.1
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: a91bcd0c-566f-4d64-acd1-0f63a55a347a
InnerException: Validation of v13wstat3 MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.Security.Cryptography.CryptoAPITransform.TransformFinalBlock
StackTrace:
Message: DotNetNuke.Services.Exceptions.PageLoadException: Validation of v13wstat3 MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. ---> System.Web.HttpException: Validation of v13wstat3 MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. ---> System.Web.UI.v13wstat3Exception: Invalid v13wstat3. Client IP: 210.219.114.69 Port: 4624 User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8) Gecko/20060206 Songbird/0.1 v13wstat3: 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... ---> System.Security.Cryptography.CryptographicException: Length of the data to decrypt is invalid. at System.Security.Cryptography.CryptoAPITransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount) at System.Security.Cryptography.CryptoStream.FlushFinalBlock() at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, Boolean useValidationSymAlgo) at System.Web.UI.ObjectStateformatter.Deserialize(String inputString) --- End of inner exception stack trace --- --- End of inner exception stack trace --- at System.Web.UI.v13wstat3Exception.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) at System.Web.UI.ObjectStateformatter.Deserialize(String inputString) at System.Web.UI.ObjectStateformatter.System.Web.UI.IStateformatter.Deserialize(String serializedState) at System.Web.UI.Util.DeserializeWithAssert(IStateformatter formatter, String serializedState) at System.Web.UI.HiddenFieldPageStatePersister.Load() at System.Web.UI.Page.LoadPageStateFromPersistenceMedium() at System.Web.UI.Page.LoadAllState() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---
Source:
Server Name: WEB16