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| 02 Dec 2011 | #1 |
| | Microsoft .Net Framework 4 Fatal Error During Installation 0x80070643 Hi guys, I've had this problem for a little while now, but I now have a pressing need to use a program requiring .NET 4 Framework, and I just can't install it. Every time I do I get the message "Fatal Error During Installation". I've tried pretty much everything and searched countless forums for a solution, but with no joy  Help greatly appreciated  Here's my log:  |
My System Specs | |
| 02 Dec 2011 | #2 |
| | Hi Laxeyman, welcome to SevenForums! From the looks of it, you're using a web installer (a small program which downloads more files to install once you run it). Is this correct? You might try downloading the offline (complete) setup file instead. You can get it directly from here. Try running this download and let us know if it works. If you still run into the same error, we'll go from there and find another solution. |
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| 02 Dec 2011 | #3 |
| | Hi Corazon, I tried that and it didn't work unfortunately. I still get the same message. Here is the log of that attempt, if you need it:  |
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| 02 Dec 2011 | #4 |
| | Troubleshooting .NET Framework 4 Install failures Error Code: 0x80070643 Please refer these three links to see if they offer you some help.. Troubleshooting .NET Framework 4 Install failures - VarunGupta - Site Home - MSDN Blogs Windows Update error 80070643 You receive |
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| 03 Dec 2011 | #5 |
| | Hi JMH, 1st option: The MSI have the right names in regedit, so that's not the problem. 2nd + 3rd option: There is no Microsoft Framework 4 program in my control panel, so I can't try and repair it. I don't know why its not there, seeing as I've tried to install it loads of times. |
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| 03 Dec 2011 | #6 |
| | Some more links that may provide information... Security Update for Microsoft .NET Framework 4 (KB2446708) - Microsoft Answers Unable to install Windows Update for .Net Framework 4 - Microsoft Answers Windows .Net framework 4 & SP1 installation problems - Microsoft Answers .NET Framework Cleanup Tool User's Guide - Aaron Stebner's WebLog - Site Home - MSDN Blogs If still no luck I suggest you contact Microsoft Technical Support. I believe the email service is free. Good luck! Select your region |
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| 04 Dec 2011 | #7 |
| | Nah, none of those worked either How do you contact Microsoft Technical Support? |
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| 04 Dec 2011 | #8 |
| | 
Quote: Originally Posted by Laxeyman  Nah, none of those worked either How do you contact Microsoft Technical Support? Good luck! Let us know how you go please. Select your region |
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