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Uninstalling cygwin (Linux RedHat)
Thread poster: ViktoriaG

ViktoriaG  Identity Verified
Local time: 09:54
English to French
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Jun 17, 2007

Dear all,

I would really like to try project-open to at least see if I can put it to use. However, it seems that I already have cygwin installed on my system (I never asked for it, don't know why it's there by default) and project-open comes with its own version of cygwin, which can only be installed if I remove the existing cygwin installation. I am unable to do that since I have no clue about Unix AT ALL.

Anybody has any experience with this? Anybody uses cygwin and can tell me how I can manually uninstall it?


[Edited at 2007-06-17 15:20]

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Chinese to English
Run cygwin setup.exe Jun 17, 2007

Go to and run or download setup.exe and cycle through: Install All, Install Default, and Uninstall All.

I wish I had a better web server to upload more of the snapshots of the uninstall process, but I have just uploaded one pic file (limited size) to my profile. Usually it takes some trial and error to finally arrive at the "Uninstall All" picture. After uninstalling all, one has to manually delete, e.g., C:\cygwin folder (default folder location) and that is it. IMHO, this is a viable way to uninstall all packages of cygwin. Good luck.

[Edited at 2007-06-18 02:24]

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M. Anna Kańduła  Identity Verified
United Kingdom
Local time: 14:54
English to Polish
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apt-get Jun 17, 2007

I believe RedHat uses "apt" for managing packages.

To remove a program you can type in the console as a root

#apt-get remove package_name

In this case this probably would be

#apt-get remove cygwin

However read carefully what the console asks, as cygwin may also try to remove some dependencies, necessary for other system's soft, which should not be removed.

You can read more details about apt-get by typing

$man apt-get

in your console.

You may also try to install "Synaptic" frontend (if you don't have it yet), which will let you use apt-get in X, not in console. If you do have it, run it, search "cygwin" and remove it that way.

I hope it'll help


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Sonja Tomaskovic  Identity Verified
Local time: 15:54
English to German
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Are you on Windows? Jun 17, 2007


Are you on Windows?

If so, you can uninstall Cygwin if you go to Control Panel>Software.

Search for cygwin, and choose "uninstall". That should do the trick.


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ViktoriaG  Identity Verified
Local time: 09:54
English to French
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Thanks for the hints - still not working... :'( Jun 17, 2007

Thanks for the answers - I was not expecting many answers as this topic seems to be the kind nobody replies to.

I tried the simple method suggested by Sonja - but cygwin doesn't show up in the software uninstall module of the control panel. I didn't expect to find it there either because after searching the internet, I found out there is supposedly only one (manual) way to uninstall this. It has no uninstaller to begin with. I know it's on my machine because when I try to install project-open, it tells me it can't continue because of my existing installation of cygwin. But no matter what I try, I can't even find cygwin on my machine.

Then, having read all the different instructions on the net, I can tell that to uninstall this, I will need to have at least basic knowledge of how to use cygwin (I don't even know what it looks like!) because the uninstallation is done from within cygwin, as suggested by Anna. However, even though I am glad for Anna's instructions, I don't even know what the console she mentions is, so I can't find it. Maybe you can elaborate on this? I am sorry for asking for so much detail, but considering I don't even have the slightest understanding of what this is, I can't go far with instructions that assume I know my way around cygwin.

Of course, the cygwin installer doesn't provide for uninstallation, as I suspected. The cygwin website itself provides only a manual, internal walkthrough for uninstalling cygwin, so if it was feasible through the installer, they probably would have mentioned this.

I just don't understand why I have this on my machine. It seems it was installed by default before it was delivered. I don't much like having something on my computer I didn't ask for and never use that can later prevent me from using that machine the way I would like it to. This leaves me wondering what else I will find down the road that will prevent me from using my machine in the future...

[Edited at 2007-06-17 15:31]

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xxxMarc P  Identity Verified
Local time: 15:54
German to English
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Uninstalling cygwin (Linux RedHat) Jun 17, 2007

Viktoria Gimbe wrote:

Thanks for the answers - I was not expecting many answers as this topic seems to be the kind nobody replies to.

To be honest, your question raises a whole number of others.

[quote]However, even though I am glad for Anna's instructions, I don't even know what the console she mentions is, so I can't find it. Maybe you can elaborate on this?[quote]

The "console" is a Linux application that enables you to enter command-line commands on a Linux system. I presume that something similar is also provided by Cygwin.

apt-get is a command for managing packages (applications) on Debian-based Linux systems. I may be wrong but I don't think this is relevant to your situation.

Instructions for uninstalling Cygwin can be found here:


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