Hi, I appreciate your reply .. yes none of the metalink id working for me .. That is the reason i have posted the question over here , in case if some one had the same issue. Regards Bala On Tue, Dec 22, 2009 at 2:39 PM, Harel Safra <harel.safra@xxxxxxxxx> wrote: > Searching for "ora 7445 ACCESS_VIOLATION unable_to_trans_pc" on MOS gave 26 > results, none of them help you? > > > Harel Safra > > > > Balakrishna Y wrote: > > Hi All, >> >> I have Oracle 10g(10.2.0.4) on my local machine (Windows XP) . when ever i >> start the database on my machine it start throwing this Error. >> >> ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] >> [unable_to_trans_pc] [PC:0x77E7F348] [ADDR:0x7D44] [UNABLE_TO_WRITE] [] >> >> >> Even metalink does'nt have much supporting documents on this issue. Does >> any one came across this problem.I appreciate your comments on this. >> >> Regards >> >> Bala >> >> >>