Remko Weijnen's Blog (Remko's Blog)

About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like


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imageIn this post, which is a followup on my From JailBreak to Jailbreak post, I will describe the same procedure for A5 devices (iPhone 4S and iPad 2).

imageA lot of the stuff is really the same so I will not describe that again, this includes the actual update to iOs 5.01, xBackup, SHSH signatures and backup using iTunes.

Currently the Jailbreak for A5 devices with iOS 5 is only for iOS 5.01. Since Apple is expected to release iOS 5.1 very soon it’s highly recommended to update to iOS 5.01 NOW. Especially because it’s not yet possible to downgrade to iOS 5.01 using Tiny Umbrella.

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  • Filed under: iPhone
  • 4,877 views

    Installers can create so called Advertised Shortcuts in the Start Menu. I wanted to check the Target Path of such an shortcut but Explorer doesn’t show it:

    Microsoft Visio 2010 Properties | Shortcut Properties | Target Path

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  • Filed under: script
  • 10,596 views

    imageAfter reading Andy Morgan’s (excellent) blog post about Removing Screen Resolution and Personalize shell extensions from a users desktop session I couldn’t help it.

    imageI had to write a PowerShell script to take ownership of the mentioned registry keys. So here goes:

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  • Filed under: PowerShell
  • 8,061 views

    Xerox LogoEarlier this week I was asked to investigate a problem with the Xerox Universal Printer Driver. Users complained that printing to a Xerox printer was much slower than printing to an HP printer.

    Excel 2007 IconI received a reference document from a user, a rather complex Excel sheet. When selecting multiple tabs it took almost a minute to generate a print preview in Excel 2007 running on Windows 2003 with XenApp 5.

    I was aware of a bug in the Xerox Universal Driver where almost 9.000 files were copied into the user’s profile directory (I wrote about that in an earlier post). But this seemed to be another problem.

     

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    Cydia IconA few days ago I decided to update my iPhone which was still running iOS 4.3.1 to iOS 5.0.1. I delayed this update for a while because I had Jailbreaked my iPhone. Unfortunately an update is much more work when you have Jailbreaked because you also have to restore Cydia settings such as the repositories and Cydia installed Apps.

    This blog post is not a guide on how to Jailbreak but more a collections of tips to go from a Jailbreak iOS 4.x to iOS 5.01.

    If you notice any extra steps while doing your update please send them to me so I can add them to this post.

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  • 4 Comments
  • Filed under: Apple, iPhone
  • 2,771 views

    imageToday I was troubleshooting a Thinapped Visual Basic Application. The application halts with a Run-time error ‘372’ when trying to run a report:

    Run-time error 372 Failed to load control 'CrystalActiveReportViewer' from crviewer.dll. Your version of crviewer.dll may be outdated. Make sure you are using the control that was provided with your application

    Microsoft KB article kb942870 hints to an ActiveX component that is registered into HKCU instead of HKLM.

    A trace with the ThinApp Log Monitor reveals that the application is looking for an ActiveX component under HKCU:

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  • Filed under: Packaging
  • 10,575 views

    I wanted to save the SHSH signatures from my iPhone before updating to iOS 5.01. I started Tiny Umbrella but it showed an error indicating that there’s already a process listening on port 80:

    Cannot Start TSS Service | DO NOT TRY RESTORING YOUR DEVICE!!! | System(PID:4) must be killed!!

    I verified this using netstat (netstat -aon | find /I “LISTENING” | find /I “:80”):

    netstat -aon | find /i "LISTENING" | find /i ":80"

     

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    MS-Dos LogoToday I troubleshooted an old DOS application that needed to run on a 32 bit Citrix XenApp Server. The last time I saw an actual DOS application in a production environment must be years ago.

    When starting the application, the WOW subsystem (NTVDM) crashed with the message: “NTVM encountered a hard error.”:

    NTVDM encoutered a hard error

    After spending some time troubleshooting I remembered a similar issue from a few years ago where a DOS application worked fine from the Console but refused to work from an RDP or ICA session.

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    Passat - B7I am not sure why Volkswagen has altered the behavior of the Coming Home function but on recent B6 and all B7 Passats it works differently.

    Previously the Coming Home function was activated automatically either when taking out the ignition key or when leaving the car (depending on coding).

    In newer B6 and all B7 models you need pull the high beam stalk towards you before leaving the car which is annoying and looks very silly.

    So how can we restore the old behavior?

     

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  • Filed under: Automotive
  • 15,447 views

    imageI was testing a Script I wrote to launch a Citrix XenApp session using the ICA Client Object. Typical code to do this may look like this:

    On my testmachine it ran nicely but on a customer machine the script failed with the error 2312 “The Citrix online plug-in received a corrupt ICA File. The ICA File has no [ApplicationServer] section“:

    The Citrix online plug-in received a corrupt ICA File. The ICA File has no [ApplicationServer] section

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  • Filed under: Citrix, script
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