I had DNN 4.3.2. Most things were working great. I upgraded to 4.3.5 using the "install" package since I didn't want to have to upgrade every module individually, and now I'm having problems:

1. File manager's "unzip" feature doesn't work for me either when uploading a file or after the file is uploaded. Using standard insecure file system storage. Error message varies, zip file is uploaded, but nothing is logged or extracted.
http://www.dotnetnuke.com/Community/ForumsDotNetNuke/tabid/795/forumid/108/threadid/75296/scope/posts/Default.aspx#75296

2. Created a new portal (www.wcg.org/mission). Clicking the insert image from gallery button in the editor creates this error every time:

AssemblyVersion: 04.03.05
PortalID: 15
PortalName: WCG World Mission
UserID: 1
UserName: host
ActiveTabID: 375
ActiveTabName: Home
RawURL: /mission/Providers/HtmlEditorProviders/Ftb3HtmlEditorProvider/ftb3/ftb.imagegallery.aspx?cif=~/Portals/&rif=~/Portals/&portalid=15&ftb=dnn_ctr906_EditHTML_teContent_teContent
AbsoluteURL: /mission/Providers/HtmlEditorProviders/Ftb3HtmlEditorProvider/ftb3/ftb.imagegallery.aspx
AbsoluteURLReferrer: http://www.wcg.org/mission/Home/tabid/375/ctl/Edit/mid/906/Default.aspx
UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.7) Gecko/20060909 Firefox/1.5.0.7
DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke.SqlDataProvider
ExceptionGUID: 65323865-604f-4491-a272-b9f03e76c7d7
InnerException: Unhandled Error:
FileName:
FileLineNumber: 0
FileColumnNumber: 0
Method: System.String.InternalSubStringWithChecks
StackTrace:
Message: System.Exception: Unhandled Error: ---> DotNetNuke.Services.Exceptions.PageLoadException: startIndex cannot be larger than length of string. Parameter name: startIndex ---> System.ArgumentOutOfRangeException: startIndex cannot be larger than length of string. Parameter name: startIndex at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy) at DotNetNuke.HtmlEditor.FTBImageGallery.get_CurrentFolder() at DotNetNuke.HtmlEditor.FTBImageGallery.Page_PreRender(Object sender, EventArgs e) at System.Web.UI.Control.OnPreRender(EventArgs e) at DotNetNuke.Framework.PageBase.OnPreRender(EventArgs evt) at System.Web.UI.Control.PreRenderRecursiveInternal() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace --- at DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL) at DotNetNuke.Framework.PageBase.Page_Error(Object Source, EventArgs e) at System.Web.UI.TemplateControl.OnError(EventArgs e) at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.providers_htmleditorproviders_ftb3htmleditorprovider_ftb3_ftb_imagegallery_aspx.ProcessRequest(HttpContext context) at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) --- End of inner exception stack trace ---
Source:
Server Name: WWW

Tried to delete and re-create the portal with the same result.

I'm not sure what to do next. Anyone have any idea what it means? I've looked at the database. The files and folders tables seem to match what exists in the file system. I'm out of ideas beyond installing a fresh copy and starting a fresh database for this. That seems extreme to me, but unless someone else has an idea, it's the only thing I can think of.