Please compare hashes (e.g. in debug menu: getblockhash 1006182):
When your hash doesn't match, try a restart of the client (see here why). If that did not help: you might try from menu: Advanced » Rebuild Block Chain (you can also apply the snapshot/bootstrap and make also a !backup of your important files); OR: come to IRC and we'll help you
...
1006182 - 36a567fa43e9c78e0553a5efb95c7d6207366e86f2d387ea1dd70cf42c5d8bdf (80.2 mio net weight)
1006134 - 2f0d25b05377bb1e127ab667d0901e5717b413cbfd0281fb4efebd2289b55e38 (85.2 million net weight)
1006103 - d121bf9916a1dd70350210588cb46b6653e154feec9166ca395e19660858566d (83.9 mio net weight)
1006080 - 64154631979f46768c09c42b6d53d76b764d08b1b64b11baf5202a2e018bfb23 (110.1 million net weight)
1006060 - 882d36ccf65ce468f240bfced423d532aac6d642d6db2f956495de5574178d65 (112.07 mio net weight)
1006046 - 114100176e87d1d02c0e76a36627cdeb01f5a6d88994a635fdb1db61645c85a3 (118.6 million net weight)
Please compare hashes (e.g. in debug menu: getblockhash 1006182):
gridcoinstats + user on fork:
most uptodate in IRC!
read in #10 how to check your hash, general info on forks, etc..
see category fork for other fork situations