I have also tried:
change location inside the game to see if it works
use Oblivion-mod-manager
create a new mod
reinstall Oblivion
and only then do not ask about it with my computer then:
>>>>>
System:
Microsoft Windows XP
Professional
Version 2002
Service Pack 3
Dell Latitude E5400
Intel ? Core ? 2 Duo CPU
P8400@2.26GHz
1.58 GHz, 1.95 GB RAM
<<<<<
and my other computer if there is something wrong with the other (yes the problem is also on the other computer):
>>>>>
Windows version
Windows Vista ? Home Premium
Copyright ? 2007 Microsoft Corporation. All rights reserved
Service Pack 2
System
Manufacturer: Acer
Model: Aspire M3201
Rating: 5.2 Windows Experience Index
Processor: AMD Phenom ? 9100e Quad-Core Processor 1.80 GHz
Memory (RAM): 6.00 GB
System Type: 32-bit Operating System
Acer Support
Website: Online Support
Computer name, domain and workgroup settings
Computer Name: XxX
Full computer name: xXx
Computer Description:
Workgroup: WORKGROUP
Windows activation
Windows is activated
Product ID: ##############