Archive
Archive for the ‘Notes’ Category
Prevent multiple user login to avoid “Another instance of Tutor is already running in another user’s session on this computer” by disabling fast user switching
2014/03/27
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- Problem: As reported earlier (in the Spring and in the Fall term), for the student PCs, Sanako issues (but likely also general performance problems, and reportedly problems on classroom computers outside of the LRC) caused by multiple users being logged into the same PC – not limited to logging in from remote via MSTSC - seem on the increase this term (this year?), also on the teacher PC, where they prevent the digital audio lab from starting:
- Workaround: force restart of the computer (time-consuming, though).
- Solution: Avoid, better prevent multiple user login, maybe by disabling fast user switching?
- Registry: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\System\HideFastUserSwitching =1, or
- Group policy: Computer Configuration\Policies\Administrative Templates\System\Logon\Hide Entry points=Enabled.
- Other considerations:
- Side effects: unclear?
- Root cause: Not enough data. Why do users remain logged in in the first place?
Getting rid of “You must restart your computer to apply these changes”
2014/03/27
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I am seeing this on several computers when I or students log in. To make matters worse, “Restart now” is the default selected button, and the computers are deepfrozen, which will not only lead to loss of (potentially valuable face-to-face class) time, but could even result in an infinite loop if we do not get rid of this message.
Categories: e-infrastructure, Glitches&Errors, Student-Computers
image2014spring
Bugs in MS-Calendaranalytics?
2014/03/25
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- Is there an Off-by-1 bug in MS-Calendaranalytics pivot chart?
- I am hovering (as an example) over the first name in the upper list which displays the right name as tooltip, the first name in the second list
- I guess I could learn DAX to fix this one myself, but what I have found myself doing is copy/paste the legend control from underneath, which does not exhibit this apparent bug, as a screenshot over the wrong legend (Seems strangely inadequate!).
- I am hovering (as an example) over the first name in the upper list which displays the right name as tooltip, the first name in the second list
- Cannot run visual basic macro because of a syntax error”
Version 1 on Excel 2010 (64-bit) on Windows 7 (64-bit). Restarting (Excel/Windows) made this go away. - This stopped working on load from one day to the next, without the file getting saved and updated in between: System.Runtime.InteropServices.COMException (0x80070490): Element not found. (Exception from HRESULT: 0x80070490)
at Microsoft.VisualStudio.Tools.Office.Runtime.Interop.IHostItemProvider.GetHostExtender(String extenderType, String extenderCookie, IntPtr& extenderObject)
at Microsoft.VisualStudio.Tools.Office.Runtime.DomainCreator.ExecuteCustomization.Microsoft.Office.Tools.IHostItemProvider.GetHostExtender(Type primaryType, String primaryCookie)
at Microsoft.Office.Tools.Excel.ControlSiteImpl..ctor(IServiceProvider serviceProvider, IHostItemProvider hostItemProvider, String primaryCookie, String identifier, Object containerComponent, UInt32 officeVersion, Control control, _OLEObject extenderControl, Boolean isDynamic)
at Microsoft.Office.Tools.Excel.FactoryImpl.Microsoft.Office.Tools.Excel.Factory.CreateControlSite(IServiceProvider serviceProvider, IHostItemProvider hostItemProvider, String primaryCookie, String identifier, Object containerComponent, Control control)
at Microsoft.Office.Tools.Excel.Controls.Button..ctor(Factory factory, IHostItemProvider hostItemProvider, IServiceProvider serviceProvider, String cookie, String extenderCookie, Object container, String identifier)
at ExchangeAnalytics.Sheet4.InitializeControls() in C:\tfs\Exchange Analytics\ExchangeAnalytics\ExchangeAnalytics\What.Designer.cs:line 169
at ExchangeAnalytics.Sheet4.Initialize() in C:\tfs\Exchange Analytics\ExchangeAnalytics\ExchangeAnalytics\What.Designer.cs:line 55
at Microsoft.VisualStudio.Tools.Office.Runtime.DomainCreator.ExecuteCustomization.ExecutePhase(ExecutionPhases executionPhases)
at Microsoft.VisualStudio.Tools.Office.Runtime.DomainCreator.ExecuteCustomization.Microsoft.VisualStudio.Tools.Office.Runtime.Interop.IExecuteCustomization2.LoadEntryPoints(IntPtr serviceProvider)
Keyboards not loading on pc35
2014/03/21
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Did this PC get out of synch? It was out of sync with the JAVA also.
Categories: Glitches&Errors, Writing
image2014spring
Windows Live Writer can once again load more than 500 WordPress posts without “Invalid Server Response”
2014/03/12
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Evidence:
Version (recently updated – thank you! This bug bugged me a lot, I am chatty):Version 2012 (Build 16.4.3522.110). Not sure it is not server-related, but consider upgrading on download.live.com if you still see this error on the metaWeblog.getRecentPosts from XmlRpc server: 
Categories: e-infrastructure, Glitches&Errors, websites
blogging, windows-live-writer, wordpress
How to resolve error “Speech Recognition could not start because the language configuration is not supported”
2014/03/12
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- Problem: I have seen this error
, - Root cause: when the display language and speech language do not match (the latter is set to default to the former in the LRC, but it seems they can get out of sync), as you can witness here (English display does not match Chinese speech recognition):
- Solution: Follow the instructions in the error message, i.e.
- Access the Speech recognition control panel here:
- Then change the speech recognition language to match the display language, like I am doing here:
- Quick workaround: Not sure about how quick, but in the LRC, you can also just try and restart the computers, they are “frozen” to a default configuration in display and speech recognition language (English/English – matches).
Have patience if you see “No free/busy information could be retrieved” on Room mailbox
2014/03/12
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When trying to schedule a room, I am now seeing this: 
When ctrl-right clicking: 
, I get this as my connection status:
Becomes available after a long while:
What can I tell my users how long is the wait currently usually is?
Categories: e-infrastructure, Glitches&Errors, office-software
calendaring, live@edu, ms-exchange, office365, outlook
Mapping of Language Student Locations using Bing Maps
2014/03/09
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- What do our language students call home? Based on a pivot-table that counts zip codes, let Bing Maps tell you, a default add-in easily accessible in the insert section of the ribbon:
- Note a Limitation: Bing Maps max 100 data points.
- So we limited to zip codes with at least 15 students (which returns just below 100 zip codes).
- Also note, the Bing maps app cannot be increased beyond a certain size (below is the maximum).
- Finally, note that the visualization does have a weight indicator, but it seems imperfect:
- Here is how data (type) input errors get handled (duplicates override the original):
- Fix your data, the reload from the upper right unfoldable menu:
- Voilà:
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