Search Forum Home   DotNetNuke  CATALooK.netStore  Unable to insta...  Unable to installl CATALooKStore.ZIP in DNN 5.1.4    1/5/2010 7:14:48 PM SCI-365F3B9D359E4178835DAF85CE81C0E4 1 posts Unable to installl CATALooKStore.ZIP in DNN 5.1.4 I have send the email to support address but no one can reply we are try to install CATSTORE581_DNN5XX_PA (CAT_Modules.zip, CAT_StoreSettings.zip, CATALooKStore.zip) in dnn 5.1.4 the first two install fine when i try to install CATALooKStore it shows me the error "A critical error has occurred. Value cannot be null. Parameter name: format" Please inform me its urgent  Page 1 of 1   DotNetNuke  CATALooK.netStore  Unable to insta... Flat View Tree View Oldest To Newest Newest To Oldest