- Are C: and D: on physically seperate discs or is it one big disc with two partitions?
- If you have two drives do they have equal speeds?
- How are they connected (master, slave)?
- is the windows virtual memory swap file on the same drive as your installation?
- since you said "clean install" the defrag state should be no issue.
- and ...
- and ...
- tbc
ad infinitum
REHAB IS FOR QUITTERS