Do you own Adobe Premiere Professional version two? Your time line is frozen and will not play even though you have cleanly installed and repaired that software program again. Your computer has adequate random access memory, your system has been defragged and your project settings are correct.
Any suggestions, in order to fix this problem you ask? You can try performing a Microsoft Windows eXPerience system restore if you have not already. Basically, you will want to choose a prior date before you were having problems with your Adobe Premiere version two software, in order to restore Microsoft Windows eXPerience operating system to. You can check out this how to restore Windows XP to a previous state article from Microsoft support.
Another option you can try is to download and install CCleaner. You will want to use CCleaner for cleaning your PC and registry cleaning. Once you run both clean and registry scans with Ccleaner, then you will want to attempt to install Adobe Premiere version two software again.