I have been having problems since i installed the quicktime update yesterday. can i revert to the version before the update?

I have been having problems since i installed the quicktime update yesterday. can i revert to the version before the update? how would i do that?

Hi, I don't think I've done that for a few years, but what exact version was it you installed?
Is this an Intel iMac, or a PPC iMac?
At the Apple Icon at top left>About this Mac.
Then click on More Info>Hardware and report this upto but not including the Serial#...
Hardware Overview:
Model Name: iMac
Model Identifier: iMac7,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.4 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 6 GB
Bus Speed: 800 MHz
Boot ROM Version: IM71.007A.B03
SMC Version (system): 1.21f4
Pehaps more important, what exact problems are you having Kim?

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