Hi Cheerstam,
Thank you for posting your query in Microsoft Community Forums.
Based on the issue description I understand that you have issues with using Internet Explorer 10 on Windows 7 computer.
I would really appreciate if you can help me with the following information.
1. What do you mean by “won't open all pages”?
2. What happens when you try to open IE10?
3. Do you receive any error message/code?
4. Are you able to connect to network?
Try these methods.
Method 1
You may run the Internet Explorer troubleshooter that can automatically find and fix some common problems with Internet Explorer & check if the issue persists.
Open the Internet Explorer Performance troubleshooter
http://windows.microsoft.com/en-US/windows7/Open-the-Internet-Explorer-Performance-troubleshooter
Method 2
I would suggest you to try accessing Internet Explorer 10 in Safe Mode with Networking and check if help.
Step 1
Start your computer in safe mode
http://windows.microsoft.com/en-US/windows7/Start-your-computer-in-safe-mode
Note: When at the advanced boot options select Safe mode with networking.
If the issue does not occur in safe mode with networking then, place the computer in a clean boot state and troubleshoot the issue
Step 2
I would suggest you to place the computer in clean boot state, and then try to open the program and check if it helps.
How to troubleshoot problem by performing clean boot in Windows 7:
http://support.microsoft.com/kb/929135
Note: Once you are done with the troubleshooting, perform the steps in
Step 7: to reset computer as usual.
If you have issues with connecting to network connection I would suggest you to refer the help article and check.
Wired and wireless network connection problems in Windows
http://windows.microsoft.com/en-US/windows/network-connection-problem-help#network-problems=windows-7&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1
Note: Please avoid creating duplicate threads on the same issue. You can reply to this thread if you need further assistance and I will be more than happy to help you.