Crashy Explorer on avi files

To stop explorer crashing sometimes when you select an avi/media file you could disable media previewing.
Open a command prompt, type:
regsvr32 /u shmedia.dll
to reenable media previewing:
regsvr32 shmedia.dll

.ncb

Visual Studio uses ncb files to cache various workspace data, it is autogenerated. Sometimes the ncb becomes corrupt, causing delays when moving the cursor or typing text, or intelisence may not work. To fix this just delete the ncb file and reopen your solution.