I could not update my Windows 7 for last month. Usually I get this error or checking for update is infinite. I did not change any of my hardware nor the router. I did not change my firewall and I use microsoft security essentials. Please reply 
My Computer
- Computer Manufacturer/Model Number
- Toshiba C650-15L
- OS
- Windows 7 Home Premium 64-bit
- CPU
- Intel Core 2 Duo E6850 3.00gHz
- Memory
- 3GB