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Cannot install XAMPP as something already exists

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0

I was trying to install XAMPP on a friend’s Windows 7 laptop. First, it gave me the error message that it could not install to C:xampp as the folder was not empty. I had a look at the folder and it contains the following subfolders:

• apache


• mailoutput


• mailtodisk


• mysql


• php


• tmp

So, I thought to myself, maybe XAMPP is already installed. I checked http://localhost, and it gave me a page full of ads, which isn’t normal for XAMPP. In fact http://localhost/ANYTHING gives me a page full of ads. Viewing source on that page gives a complete blank. I do not understand how that is possible.

I asked my friend, whose laptop it is, and she has vague recollections of installing some sort of WAMP server from a USB stick. I tried renaming C:xampp as C:_xampp, but the existing localhost is unaffected. I looked through the list of programs in Control Panel > Remove Programs, but couldn’t see any reference to Apache, XAMPP, PHP. or anything with a similar name. There is a program called “MySQL Installer”, but that’s probably not relevant.

How can I find and remove the existing webserver, so I can replace it with XAMPP?

apache-http-server uninstall localhost

share|improve this question

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Problem 1: the ads aren't coming from the localhost: they're coming from an infection in her browser. She has something which is injecting ads into pages. We'll have to fix that first, then I'll rewrite this question.
  
  – TRiG
  Oct 26 '13 at 17:12
  

  
  
  
  

add a comment | 

0

I was trying to install XAMPP on a friend’s Windows 7 laptop. First, it gave me the error message that it could not install to C:xampp as the folder was not empty. I had a look at the folder and it contains the following subfolders:

• apache


• mailoutput


• mailtodisk


• mysql


• php


• tmp

So, I thought to myself, maybe XAMPP is already installed. I checked http://localhost, and it gave me a page full of ads, which isn’t normal for XAMPP. In fact http://localhost/ANYTHING gives me a page full of ads. Viewing source on that page gives a complete blank. I do not understand how that is possible.

I asked my friend, whose laptop it is, and she has vague recollections of installing some sort of WAMP server from a USB stick. I tried renaming C:xampp as C:_xampp, but the existing localhost is unaffected. I looked through the list of programs in Control Panel > Remove Programs, but couldn’t see any reference to Apache, XAMPP, PHP. or anything with a similar name. There is a program called “MySQL Installer”, but that’s probably not relevant.

How can I find and remove the existing webserver, so I can replace it with XAMPP?

apache-http-server uninstall localhost

share|improve this question

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Problem 1: the ads aren't coming from the localhost: they're coming from an infection in her browser. She has something which is injecting ads into pages. We'll have to fix that first, then I'll rewrite this question.
  
  – TRiG
  Oct 26 '13 at 17:12
  

  
  
  
  

add a comment | 

I was trying to install XAMPP on a friend’s Windows 7 laptop. First, it gave me the error message that it could not install to C:xampp as the folder was not empty. I had a look at the folder and it contains the following subfolders:

• apache


• mailoutput


• mailtodisk


• mysql


• php


• tmp

So, I thought to myself, maybe XAMPP is already installed. I checked http://localhost, and it gave me a page full of ads, which isn’t normal for XAMPP. In fact http://localhost/ANYTHING gives me a page full of ads. Viewing source on that page gives a complete blank. I do not understand how that is possible.

I asked my friend, whose laptop it is, and she has vague recollections of installing some sort of WAMP server from a USB stick. I tried renaming C:xampp as C:_xampp, but the existing localhost is unaffected. I looked through the list of programs in Control Panel > Remove Programs, but couldn’t see any reference to Apache, XAMPP, PHP. or anything with a similar name. There is a program called “MySQL Installer”, but that’s probably not relevant.

How can I find and remove the existing webserver, so I can replace it with XAMPP?

apache-http-server uninstall localhost

share|improve this question

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

share|improve this question

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

share|improve this question

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

asked Oct 25 '13 at 13:25

TRiGTRiG

8331227

1 Answer
1

active

oldest

votes

1

Maybe, some spyware or adware modified the hosts file in order to redirect localhost to some custom URI/IP.
You can find the file here:

%SystemRoot%system32driversetcHosts

The file shouldn't be very large, in fact, it's only about 20 lines long (incl. comments) in the default version.

If you have a XAMPP installation on your PC, you can also quickly test whether another program is listening on port 80:

• Open XAMPP Control Panel


• Click on "Netstat"


• Look for a table entry with the port number 80

share|improve this answer

edited Oct 25 '13 at 13:37

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Everything in the hosts file was comments. There was a comment that localhost resolution was handled within DNS itself, and then two localhost entries (127.0.0.1 and ::1) commented out. Nothing malicious. I've uncommented those last two. It made no difference. Still getting ads. Shall try installing XAMPP again and following your next suggestions.
  
  – TRiG
  Oct 25 '13 at 13:40
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TRiG The last two are safe (I have them, too). Please check whether any other program is listening locally on port 80 (just use the XAMPP Control Panel from your old XAMPP installation).
  
  – ComFreek
  Oct 25 '13 at 13:41
  
  
  

  
  
  
  

add a comment | 

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1

Maybe, some spyware or adware modified the hosts file in order to redirect localhost to some custom URI/IP.
You can find the file here:

%SystemRoot%system32driversetcHosts

The file shouldn't be very large, in fact, it's only about 20 lines long (incl. comments) in the default version.

If you have a XAMPP installation on your PC, you can also quickly test whether another program is listening on port 80:

• Open XAMPP Control Panel


• Click on "Netstat"


• Look for a table entry with the port number 80

share|improve this answer

edited Oct 25 '13 at 13:37

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Everything in the hosts file was comments. There was a comment that localhost resolution was handled within DNS itself, and then two localhost entries (127.0.0.1 and ::1) commented out. Nothing malicious. I've uncommented those last two. It made no difference. Still getting ads. Shall try installing XAMPP again and following your next suggestions.
  
  – TRiG
  Oct 25 '13 at 13:40
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TRiG The last two are safe (I have them, too). Please check whether any other program is listening locally on port 80 (just use the XAMPP Control Panel from your old XAMPP installation).
  
  – ComFreek
  Oct 25 '13 at 13:41
  
  
  

  
  
  
  

add a comment | 

1

Maybe, some spyware or adware modified the hosts file in order to redirect localhost to some custom URI/IP.
You can find the file here:

%SystemRoot%system32driversetcHosts

The file shouldn't be very large, in fact, it's only about 20 lines long (incl. comments) in the default version.

If you have a XAMPP installation on your PC, you can also quickly test whether another program is listening on port 80:

• Open XAMPP Control Panel


• Click on "Netstat"


• Look for a table entry with the port number 80

share|improve this answer

edited Oct 25 '13 at 13:37

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Everything in the hosts file was comments. There was a comment that localhost resolution was handled within DNS itself, and then two localhost entries (127.0.0.1 and ::1) commented out. Nothing malicious. I've uncommented those last two. It made no difference. Still getting ads. Shall try installing XAMPP again and following your next suggestions.
  
  – TRiG
  Oct 25 '13 at 13:40
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @TRiG The last two are safe (I have them, too). Please check whether any other program is listening locally on port 80 (just use the XAMPP Control Panel from your old XAMPP installation).
  
  – ComFreek
  Oct 25 '13 at 13:41
  
  
  

  
  
  
  

add a comment | 

Maybe, some spyware or adware modified the hosts file in order to redirect localhost to some custom URI/IP.
You can find the file here:

%SystemRoot%system32driversetcHosts

The file shouldn't be very large, in fact, it's only about 20 lines long (incl. comments) in the default version.

If you have a XAMPP installation on your PC, you can also quickly test whether another program is listening on port 80:

• Open XAMPP Control Panel


• Click on "Netstat"


• Look for a table entry with the port number 80

share|improve this answer

edited Oct 25 '13 at 13:37

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

%SystemRoot%system32driversetcHosts

share|improve this answer

edited Oct 25 '13 at 13:37

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522

answered Oct 25 '13 at 13:31

ComFreekComFreek

3541522