Windows 7 is taking too long to boot and to open profile

On Windows 7 there's a great utility called "Resource Monitor", it will show what apps are using the disk/cpu/network/memory (sort by the different columns to zero in on a particular resource usage).

Fire it up and watch what's running. Also, have a look in your Event Viewer to see if there are any services having a problem during start-up.

You can disable the scheduled tasks that starts CompatTelTunner.exe by looking in the Task Scheduler.
Computer Management – System Tools – Task Schedule Library – Microsoft – Windows – Application Experience
or
Start - Run - taskschd.msc
Name: Microsoft Compatibility Appraiser
Location: \Microsoft\Windows\Application Experience
Collects program telemetry information if opted-in to the Microsoft Customer Experience Improvement Program.
Right click on “Microsoft Compatibility Appraiser” and select “Disable” By default, it is set to start if there is ANY network connection.

The executable is located here: C:\Windows\System32\CompatTelRunner.exe

You may also want to look at the following:
Customer Experience Improvement Program states

If the user has consented to participate in the Windows Customer Experience Improvement Program, this job collects and sends usage data to Microsoft. However, it is set to run even if opted out
Siuf (under Feedback)