The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for the ‘Windows’ Category

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Firewall whitelist for Windows Update

Posted by jpluimers on 2020/08/14

In the end, this list worked on a Fritz!Box, but I still do not know which other subdomains and protocols they silently let pass:

windowsupdate.microsoft.com
*.windowsupdate.microsoft.com
*.update.microsoft.com
*.windowsupdate.com
download.windowsupdate.com
download.microsoft.com
*.download.windowsupdate.com
test.stats.update.microsoft.com
ntservicepack.microsoft.com
update.microsoft.com
*.update.microsoft.com
*.download.microsoft.com
windowsupdate.com
wustat.windows.com
login.live.com
mp.microsoft.com
*.mp.microsoft.com
www.update.microsoft.com
support.microsoft.com
www.msftconnecttest.com

Some source materials:

–jeroen

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Posted in Fritz!, Fritz!Box, Internet, Power User, Windows, Windows 10, Windows 7 | Leave a Comment »

networking – Whitelist Windows Update Servers – Super User

Posted by jpluimers on 2020/07/31

For my link archive: networking – Whitelist Windows Update Servers – Super User

Because there are brain dead routers that do not allow for wildcards, or whitelisting only a certain protocol for a URL, call windowsupdate.microsoft.com a URL, but then also accept http://www.windowsupdate.microsoft.com.

–jeroen

Posted in Firewall, Infrastructure, Power User, Windows | Leave a Comment »

UAC elevation steps

Posted by jpluimers on 2020/07/29

Just in case I need to explain this to someone, as it has been a long time ago I did this: [WayBack] windows – Is there a single UAC binary? – Super User.

Via: [WayBack] Jeroen Wiert Pluimers: Is there a UAC binary? – Google+

Most important reference: [WayBack] How User Account Control Works | Microsoft Docs

  1. Logon:
  2. Elevation steps: decision tree in the various pieces:
  3. Elevation confirmation via consent.exe
  4. Consent example prompt:

 

–jeroen

Posted in Development, Power User, Security, Software Development, Windows, Windows Development | Leave a Comment »

How to Make File Explorer Open This PC By Default In Windows 10

Posted by jpluimers on 2020/07/27

When I first bumped into this around 2017, I found via [WayBack] How to Make File Explorer Open This PC By Default In Windows 10 that it was just a new “Folder Options” choice that by default pointed to “Quick Access” (Dutch “Snelle Toegang”) instead of prior Windows versions opening at “This PC” (Dutch “Deze PC”).

Only recently, I found out that Scott Hanselman already tweeted about this in August 2015:

[WayBack] Scott Hanselman on Twitter: “Windows 10 Tip: You can control where Windows Explorer opens (This PC vs Quick Access). Click View | Options http://t.co/mNi6K6tVIP”

–jeroen

Posted in Power User, Windows, Windows 10 | Leave a Comment »

Windows 7 Hosts File Ignored: recreate it and you’re back in business

Posted by jpluimers on 2020/07/17

Wow: I never noticed this before, but thinking back it has happened to me at least a few times years ago: [WayBack] Windows 7 Hosts File Ignored.

The trick is to create a new hosts file as Administrator.

I thought it had to do with proper line endings: Notebad messes those up every now and then. But I was wrong: even with Notepad++ this happens, see [WayBack] I just had to trouble shoot a Windows XP (!) issue where the entries in the hosts file were being ignored. The change that actually worked was: 1. Crea… – Thomas Mueller (dummzeuch) – Google+

–jeroen

Posted in Power User, Windows | Leave a Comment »

“error: invalid object 100644” “git svn”

Posted by jpluimers on 2020/07/14

A while back, while using “git svn”, on a Windows system, I got [Archive.is] “error: invalid object 100644” “git svn” – Google Search after statements like this:

# git svn rebase
error: refs/remotes/git-svn does not point to a valid object!
error: invalid object 100644 ac7df132f5bd7d639fc525f1f0204a546658d0c5 for 'Source/ToDoList/GX_ToDo.pas'
fatal: git-write-tree: error building trees
write-tree: command returned error: 128

# git svn fetch
error: refs/remotes/git-svn does not point to a valid object!
error: invalid object 100644 ac7df132f5bd7d639fc525f1f0204a546658d0c5 for 'Source/ToDoList/GX_ToDo.pas'
fatal: git-write-tree: error building trees
write-tree: command returned error: 128

In my case, regular git operations (like branching, committing, pushing, etc) worked fine, but git svn would fail.

One problem was that [Archive.is] “error: refs/remotes/git-svn does not point to a valid object” – Google Search only returned one un-meaningful result: [WayBack] gist:87613 · GitHub.

Luckily, I had a backup (though it was from a while ago as that VM had not been in use for quite some time) which is the first part in [WayBack] Git FAQ – Git SCM Wiki: How to fix a broken repo?.

Since I was still interested finding out how to resurrect, just in case this happens at a time the backups do not go back far enough, I tried the steps below.

The very first fixing step is to ensure you can quickly restore things, or even better: operate on a copy of the broken pieces. On Windows, robocopy /mir is my friend for this, in Linux rsync -avloz (although on some systems, -z crashes).

TL;DR from the fixing steps

Find out what problems you have, and in which order to fix them. Otherwise you will break more stuff and take longer to fix it.

In this case, two things failed: one on the git side, and one on the git svn side. Since git svn depends on git, the best approach is to fix the git problem first, then the git svn thing.

Fixing this manually try 1

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Posted in CertUtil, Development, DVCS - Distributed Version Control, git, Hashing, md5, Power User, Security, SHA, SHA-1, SHA-256, SHA-512, Software Development, Source Code Management, Subversion/SVN, Windows | Leave a Comment »

On my tools list: Rapid Environment Editor – freeware Windows environment variables editor

Posted by jpluimers on 2020/07/10

On my tools list: [WayBack] About – Rapid Environment Editor Rapid Environment Editor – freeware Windows environment variables editor

Thanks to Thomas Mueller via [WayBack] I have installed RAD Studio 10.1 Berlin running under Win 10 and I have tried to install GExperts. It doesn’t install into the IDE. I run the ExpertMana… – Bill Olson – Google+.

–jeroen

Posted in Power User, Windows | Leave a Comment »

Cipher: a command-line tool to decrypt/encrypt files and directories (een recursively) on Windows

Posted by jpluimers on 2020/07/03

A while ago, I had to mass encrypt a lot of directories and files on Windows for some directories in an existing directory structure.

This helped me to find out which ones were already done (it lists all encrypted files on all drives; the /n ensures the files or encryption keys are not altered):

cipher.exe /u /n /h

This encrypted recursively in one directory B:\Directory:

cipher /D /S:B:\Directory /A

It also has options to wipe data (/W), export keys into transferrable files (/X) and many more.

If you like the Windows Explorer more then to encrypt/decrypt (it is a tedious process): [WayBack] How do I encrypt/decrypt a file? | IT Pro.

Via:

–jeroen

Posted in Encryption, NTFS, Power User, Security, Windows | Leave a Comment »

Tools I use for audio/video downloading, media conversion and audio editing

Posted by jpluimers on 2020/07/03

A friend asked me what tools I use for downloading media, converting it to various formats (including audio extraction) and audio editing.

It is a surprisingly short list:

Most of it runs out of the box on Mac OS X/MacOS/OS X, as I’ve moved there form Windows for most of my day to day access to systems (there is a great set of Microsoft Remote Desktop in the app store: [Archive.is] Microsoft Remote Desktop 8.0 on the Mac App Store and [Archive.is] Microsoft Remote Desktop 10 on the Mac App Store; I like the first one better).

Audacity shortcuts

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Posted in Apple, Audacity, Audio, ffmpeg, iMac, Mac, Mac OS X / OS X / MacOS, MacBook, MacBook Retina, MacBook-Air, MacBook-Pro, MacMini, Media, Power User, Remote Desktop Protocol/MSTSC/Terminal Services, SocialMedia, Windows, YouTube, youtube-dl | Leave a Comment »

“This app can’t run on your PC – To find a version for your PC, check with the software publisher.”

Posted by jpluimers on 2020/06/19

I had a problem running wmic. It was no a Dutch Windows 10, but the same will happen with any locale, so in English the error looks like this:

This app can't run on your PC

To find a version for your PC, check with the software publisher.

After which you get this on the command-line:

Access is denied.

In the Dutch version, the error is called this:

Deze app kan niet worden uitgevoerd op uw pc

Vraag bij de software-uitgever na of er een versie bestaat voor uw pc.

After which you get this on the command-line:

Toegang geweigerd.

Apparently, an executable is now an app, and PC is uppercase in English, but not in Dutch. I digress.

The un-cool thing is that [WayBack] Process Monitor – Windows Sysinternals | Microsoft Docs showed no Access Denied message at all.

What happened however, was that there was an empty %SystemRoot%\System32\wmic.exe, which gets executed because %SystemRoot%\System32 is earlier on the path than C:\Windows\System32\wbem\WMIC.exe.

Note that %SystemRoot% seems to be the new %windir%.

You can reproduce this by doing this on a command prompt window:

cd %temp%

rem > wmic.exe

wmic

The rem will create an empty wmic.exe. Because on Windows, the current directory is always on the path, it tries to execute the empty wmic.exe, which causes the error.

Do not run an administrative in the default %SystemRoot%\System32 directory

The actual cause was a combination of this:

  1. When running cmd as Administrator, it starts in %SystemRoot%\System32
  2. %SystemRoot%\System32 is early on the path
  3. Copy/Paste through a remote desktop connection is unreliable
  4. I copied a big bunch of output from the RDP session to my host to write some documentation
  5. I copied a new command from the host to run in the Administrative cmd
  6. What got pasted instead was the output, which created these empty files (which has some typos, I know) because output is of the form C:\path>filename:

    C
    conrol
    control
    defrag
    del
    Disable-ComputerRestore
    exit
    Get-ComputerRestorePoint
    net
    powercfg
    powershell
    powrcfg
    SystemProperties.exe
    vssadmin
    wmic
    wmic.exe

  7. I did not notice these files were created in  %SystemRoot%\System32

–jeroen

Posted in Power User, Windows, Windows 10 | Leave a Comment »

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