Greatest Hits

561 votes
13 answers
Windows 7 SP1 Windows Update stuck checking for updates
I installed Windows 7 fresh and installed SP1. Now, when I try to check manually for Windows Updates it just hangs on the Checking for updates screen. I tried running the tools in How do I reset ...
249 votes
9 answers
How to fix the wrong number of unread emails flag in Outlook?
I have an annoying problem in Outlook 2013. My inbox is flagged with "1" unread message, but this is not the case. Even when I empty my inbox folder, this bold "1" stays next to my folder, new as it ...
2379 votes
7 answers
What is the cURL command-line syntax to do a POST request?
How can I make a POST request with the cURL command-line tool?
405 votes
10 answers
How to rename the User folder in Windows 10?
After installing Windows 10 on my Surface Pro 3 it took my user name 'Jeremy' and created a user folder named C:\Users\jerem. I want to rename the folder C:\Users\Jeremy. The procedure for Windows 8 ...
  • 6,620
92 votes
14 answers
Option to Turn Bluetooth on or off is Missing
I want to disable Bluetooth on my laptop running Windows 10 Pro x64, but I have a problem: the option to do so is missing even though I know that it was previously available. Here is the Bluetooth ...
129 votes
14 answers
Word heading number blacked out
When opening the document I am working on in Word 2010 this morning, the number in heading level 1 is a black rectangle: however, it still look ok in the bookmark pane: Weird, ey?
  • 1,920
21 votes
3 answers
vc_redist.x86.exe Setup Failed: 0x80240017 Unspecified error
An installer told me I need to first install Visual C++ Redistributable Packages for Visual Studio 2013 and gave the link Unfortunately ...
17 votes
5 answers
How can I "turn on wireless capability" in Windows 7?
On my laptop I have a strange bug or something that fairly frequently causes wireless networking to become spontaneously disabled. Network connections drop out & all available APs disappear. ...
312 votes
9 answers
Can I completely disable Cortana on Windows 10?
Windows 10 has Cortana, which I don't like. I disabled it as soon as I could. However, looking in Task Manager, the process for Cortana is still running, and can't be effectively terminated: ending ...
  • 3,441
262 votes
1 answer
Mouse pointer moving on arrow keys pressed in Windows?
I'm encountering a strange problem on my W10 computer, for a few days my arrow keys have been "driving" my mouse pointer. Pressing the left arrow key will move the pointer a few pixels left, ...
  • 9,673
245 votes
10 answers
How can I check the temperature of my CPU in Windows?
Does Windows provide a means to check my CPU temperature natively? If not, are there any software tools which can reveal this information?
  • 3,025
1040 votes
12 answers
Find out which process is locking a file or folder in Windows
How can I find out which process is locking a file or folder in Windows? For instance, when trying to delete a folder, Windows reports this: The action can't be completed because the folder is ...
  • 18.8k
793 votes
30 answers
Is there a built-in checksum utility on Windows 7?
Is there a built-in checksum/hash utility on Windows 7?
  • 8,257
14 votes
19 answers
How to get rid of large gaps in text in MS Word
When formatting a document such as a resume, MS Word often inserts a large gap in the text--sometimes as much as half a page of blank space. When I try to delete the gap, moving the cursor from the ...
1154 votes
17 answers
Getting curl to output HTTP status code?
I'm using curl at the command line on Linux to issue HTTP requests. The response bodies are printed to standard out, which is fine, but I can't see from the man page how to get curl to print the ...
  • 12.2k
34 votes
5 answers
W A S D keys are swapped with arrow keys?
I have a desktop that I don't use that much (mostly for burning CD's and stuff). I logged on and wanted to search for a program only to realize that the W S A and D keys are swapped with the arrow ...
158 votes
14 answers
Convert a column into a comma separated list
I have the task of creating a simple Excel sheet that takes an unspecified number of rows in Column A like this: 1234 123461 123151 11321 And make them into a comma-separated list in another cell ...
  • 2,299
416 votes
24 answers
How to delete directories with path/names too long for normal delete
Windows seems to have a length limit on file names when trying to delete, though it won't prevent those files from being created. Our build process creates a number of temporary files (many build off ...
  • 8,674
678 votes
14 answers
macOS keeps asking my ssh passphrase since I updated to Sierra
It used to remember the passphrase, but now it's asking it to me each time. I've read that I need to regenerate the public key with this command, which I did: ssh-keygen -y -f id_rsa > ...
  • 6,901
296 votes
21 answers
How to move windows that open up offscreen?
I have a dual monitor setup, and I recently played around with the positioning settings, and some of my single window applications do the favour of preserving where they were last closed, and opening ...
148 votes
7 answers
mysql how to fix Access denied for user 'root'@'localhost'
Before I screw up something, when I login using $ mysql -u root -p, and show databases: +--------------------+ | Database | +--------------------+ | information_schema | | mysql ...
  • 1,583
641 votes
8 answers
How can I display the contents of an environment variable from the command prompt in Windows 7?
In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)? I have tried with echo $PATH, echo ...
  • 24.4k
26 votes
6 answers
How can I copy a DVD to another DVD using a single DVD drive?
I need to copy a DVD to another DVD, but I have only a single DVD drive. How can I accomplish this? I tried copying files to the desktop and then to another DVD. It didn't work out.
  • 388
56 votes
6 answers
Can't install Kali Linux from USB, fails to find CD-ROM drive
I successfully made a live USB of the Kali Linux. When I boot from the USB it gives an option to install. I clicked on that option. At one point it was detecting and mounting CD-ROM drives. As I have ...
1732 votes
13 answers
How do I scroll in tmux?
I just started using tmux, and I really like it, but I need to be able to scroll within the buffers/panes/windows I have open. I don't care if it works with the mouse or not. When I search the tmux ...
  • 17.5k
344 votes
7 answers
Why does virtualbox only have 32-bit option, no 64-bit option on Windows 7?
I have downloaded and installed the newest virtualbox 4.3.20 for my Windows 7 (64-bit OS), but when I want to install 64-bit Linux, the New->Create Virtual Machine only displays 32-bit option, no 64-...
  • 4,003
416 votes
14 answers
How to enable execution of PowerShell scripts?
When I try to execute my PowerShell script I get this error: File C:\Common\Scripts\hello.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help ...
339 votes
14 answers
How can I send a Ctrl+Alt+Delete through Remote Desktop in Windows 8?
I need to send a CtrlAltDelete to a remote machine through Remote Desktop. The CtrlAltDelete is being intercepted by Windows 8, regardless of whether the remote desktop has focus or is in full screen. ...
  • 12.4k
69 votes
23 answers
How to make cells perfect squares in Excel?
In Microsoft Excel, I want to make the height of first three rows and first four columns (12 cells in the top left corner) such that these cells are squares. How can this be done? Surprisingly, ...
  • 16k
558 votes
10 answers
How to stop an automatic redirect from “http://” to “https://” in Chrome
I had something set up wacky in our DNS setup which is now resolved. The remaining problem is that chrome has cached the incorrect setup. Specifically, when using Chrome is now ...
  • 5,689
28 votes
8 answers
What's the difference between intranet, extranet and internet?
What's the difference between intranet, extranet and internet?
82 votes
6 answers
How to disable or uninstall Microsoft Edge in Windows 10
Is there any possibility to completely disable the new Edge browser? The old IE could be disabled in Settings → Default Programs, but in Windows 10, the checkbox is missing for Edge. Is there any way ...
85 votes
9 answers
Why is my USB mouse disconnecting and reconnecting randomly and often?
My mouse will reconnect/disconnect (will even hear the sounds from Windows), and the light on the bottom of the mouse will turn off/turn on as it starts working again. It really sucks to be playing a ...
59 votes
5 answers
Create a bootable USB drive from a DMG file on Windows
A Mac machine needs to be reformatted with Lion. I backed up the Lion dmg file when I purchased it via the Mac App Store. I now need to create a bootable USB drive from the DMG file but I need to be ...
932 votes
24 answers
How to tell git which private key to use?
ssh has the -i option to tell which private key file to use when authenticating: -i identity_fileSelects a file from which the identity (private key) for RSA or DSA authentication is read.  The ...
  • 10.7k
175 votes
14 answers
How can I find out what motherboard is in my computer?
I want to find out the exact model of my computer's motherboard so that I can see what sort of memory chip, graphics cards and other components it supports. I'm using Windows 7 Ultimate 64-bit.
  • 2,012
95 votes
4 answers
How do I delete a user profile on a Windows 7 machine that is part of a domain?
How can I delete the local user profile on a Windows 7 machine that is connected to a Windows Server 2008 domain? DelProf doesn't seem to exist on Windows 7.
  • 1,073
94 votes
18 answers
If USB is not listed in BIOS as a boot option, does that mean the machine can't boot from USB?
I just purchased an Asus Zenbook Prime UX31A-DH51 with Windows 8. I want to wipe the drive and do a clean install but USB is not listed as a boot option in the BIOS. Does this mean it is not possible? ...
  • 1,119
2123 votes
3 answers
Why does Windows think that my wireless keyboard is a toaster?
I've inherited an old PC from my girlfriend's dad and when setting up the printer I got a bit of a surprise: Two questions spring to mind here: Why does Windows think my wireless keyboard is a ...
  • 11.5k
281 votes
10 answers
Using cd command in Windows command line, can't navigate to D:\
This may be a silly question, and I think I have looked elsewhere to find the answer... Might be a path issue, but when I open the command line and type from the C:\>: cd D:\ I cannot get to the ...
  • 6,445
1599 votes
10 answers
How can I sort the output of 'ls' by last modified date?
How can I sort the output of ls by last modified date?
1 vote
4 answers
Remove Enterprise Enrollment from Chrome OS
How to remove Enterprise Enrollment from a Samsung chromebook xe303C12 ? Any help would be appreciated... I have tried wiping the Chrome OS. I have also tried installing image recovery. Nothing I've ...
15 votes
6 answers
How to reinstate a missing wireless adaptor in Windows 10
I have no Wireless adapter showing under Control Panel → Network and Internet → Network Connections. I just see Bluetooth and Ethernet. How do I reinstate the Wireless adapter in Windows so I can ...
446 votes
14 answers
Test if a port on a remote system is reachable (without telnet)
In the old days, we used telnet to see if a port on a remote host was open: telnet hostname port would attempt to connect to any port on any host and give you access to the raw TCP stream. These days,...
  • 6,560
66 votes
7 answers
Windows 10 upgrade assistant stuck at 99%
Installed Windows 7 Ultimate (64-bit) on a fresh PC and after installing service pack 1 started the upgrade to Windows 10. The assistant app downloads and verifies but gets stuck at 99% in the ...
  • 1,058
1022 votes
17 answers
How to clear/flush the DNS cache in Google Chrome?
As you probably know Google Chrome has its own internal DNS cache. Is there a way to clear it without having to wait for the time out or close the browser?
  • 10.4k
6 votes
4 answers
Cursor has disappeared after upgrading to Windows 10?
So, I've just updated from Windows 8 to Windows 10 and my cursor has disappeared. It does show for 1 minute when rebooted, but then disappears. Very strange?? I have no idea how to fix it and I'm not ...
  • 61
333 votes
11 answers
What is the home directory on Windows Subsystem for Linux?
When I start bash on Windows Subsystem for Linux, it drops me in the directory /mnt/c/Users/<username> When I ls this directory, I see the directories Desktop, Documents, etc. that I can see ...
  • 3,473
11 votes
7 answers
Volume Low in Chrome Browser
Volume for audio and video sounds too quiet in Chrome, e.g. on YouTube. I have tried restarting it (via the actual exit option) and then I tried restarting the computer. Running Windows 8.1. Volume ...
  • 113
622 votes
5 answers
How can I get the same SSID for multiple access points?
I need to upgrade my existing wireless infrastructure and this time I want 2 access points to cover my house, since I get blind spots no matter what with a single AP. I have physical cabling to my ...
  • 6,607