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Windows has detected an IP Address Conflict

Problem

You try to access the Internet and you get the error message “Windows has detected an IP address conflict”.


Cause
An IP address conflict occurs when two computers on a LAN (Local Area Network) or the Internet have been assigned the same IP address. IP conflicts usually occur if static IP addresses have been set up incorrectly. Two computers normally render each other and this makes them unusable on the network.


Solution

Click Start.
Type cmd in the search box, right click the cmd that appears and click ‘Run as administrator’.
Type ipconfig /release and press Enter.
Type ipconfig /renew and press Enter.
Type exit and press Enter.

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Problem: 

Setup cannot find office.en-us\dwtrig20.exe during office installation

Solution:

Method 1:

a) Uninstall skype form control panel.

b) After installing office, re-install skype.

Method 2:
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Method 3:
Note: Take backup of your registry before modifying it. 
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a) Edit the registry.
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b)HKEY_LOCAL_MACHINE > SOFTWARE > MICROSOFT > OFFICE > DELIVERY > SOURCEENGINE > DOWNLOADS
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Error can't display online services while signing into Microsoft Account in office 2013.

Problem:

Error can't display online services while signing into Microsoft Account in office 2013.


Solution:

    Method 1:
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Excel 2013 right click doesn't work in spreadsheet.

Problem:

Excel 2013 right click doesn't work in spreadsheet.

Solution:

Check if excel works in safe mode.
1. Hold Windows key + R.
2. Copy and paste, or type the following command in the Open box, and then press Enter:
Excel /safe

Note: There is space between Excel and / If Excel safe works, disable the add-ins following steps mentioned below and determine the problem causing add-in: 
Try deleting following key from registry.
Excel 2007. Go to regedit and delete Options entry from HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\ and verify the result.
Note:
• Hold Windows key + R.
• Copy and paste, or type the following command in the Open box, and then press Enter:
regedit
HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Excel\Options
right click on Options and delete it.
Note: Ensure to back up the registry before any modification or deletion.
a) Locate and click the key or subkey that you want to back up.
b) Click the File menu, and then click Export.
c) In the Save in box, select the locati…