Windows 7 Unable to install .Net Framework 4, 4.5.2, or 4.6.1

  • Thread starter Thread starter JC_2017
  • Start date Start date
J

JC_2017

Hello,


I've been trying and failing to install any version of the .NET Framework 4.x on Windows 7 Pro SP1 (with all updates installed). I really need just 4.5.2, but it appears none of the version 4 installers work.


If I try to install 4.5.2 or 4.6.1 or the Windows 4 client profile via Windows Update, it fails with error code 641. The System event log shows error 0x80070643 for the failed install. I am able to successfully install other Windows Updates.


If I try the web installer for 4 or the stand-alone installers for 4.5.x or 4.6.x, they all fail saying the generic message of the Windows Installer Service could not be accessed. I can install other applications that use the Windows Installer without issue. The log for the installer doesn't show anything useful:


[4/15/2017, 13:34:49] === Logging started: 2017/04/15 13:34:49 ===
[4/15/2017, 13:34:49] Executable: C:\Users\Administrator\Downloads\NDP452-KB2901907-x86-x64-AllOS-ENU.exe v4.5.51209.34209
[4/15/2017, 13:34:49] --- logging level: standard ---
[4/15/2017, 13:34:49] Successfully bound to the ClusApi.dll
[4/15/2017, 13:34:49] Error 0x80070424: Failed to open the current cluster
[4/15/2017, 13:34:49] Cluster drive map: ''
[4/15/2017, 13:34:49] Considering drive: 'C:\'...
[4/15/2017, 13:34:49] Considering drive: 'D:\'...
[4/15/2017, 13:34:49] Drive 'D:\' is rejected because of the unknown or unsuitable drive type
[4/15/2017, 13:34:49] Considering drive: 'E:\'...
[4/15/2017, 13:34:49] Drive 'E:\' is rejected because of the unknown or unsuitable drive type
[4/15/2017, 13:34:49] Considering drive: 'Q:\'...
[4/15/2017, 13:34:49] Drive 'C:\' has been selected as the largest fixed drive
[4/15/2017, 13:34:49] Directory 'C:\b4201c4da5be318b38e766a508\' has been selected for file extraction
[4/15/2017, 13:34:49] Extracting files to: C:\b4201c4da5be318b38e766a508\
[4/15/2017, 13:35:13] Extraction took 23.993 seconds
[4/15/2017, 13:35:13] Executing command line: 'C:\b4201c4da5be318b38e766a508\\Setup.exe /x86 /x64 /redist'


I can remove and re-add .NET 3.5 without issue.


Here's what I've tried:


1) Repairing the Windows Installer

2) Repairing Windows Update

3) Using the stand alone installer

4) Removing the antivirus

5) The .NET Framework Repair tool (which I allowed to run for over 24 hours during the second stage when it tries to collect the logs, then I cancelled it)

6) The .NET Cleanup Tool


The system itself checks out fine in all hardware tests, including surface and file issues with the hard drive.


I think for debugging purposes, it's best to focus on the stand alone installer so we can exclude Windows Update issues. I'm not really sure how to proceed so any help is appreciated!


Thanks,


Joe

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