From: Mark Doll <[log in to unmask]> >Subject: 100% CPU USAGE > >Im having a major problem with high cpu usage. >My computer is a Dell 4600 , 3.00 gigahertz Intel >Pentium 4, 896 >Megabytes InNV >stalled Memory, Maxtor 4R120L0 [Hard drive],WDC >WD800BB-75JHC0 [Hard >drive,NividaGeForce FX 5200, and a Creative SB Audigy >LS sound card. >I used to play poker on line, download movies from >Ares and Lime >wire,check my e-mail, and convert a movie file and my >cpu would hit around >70%, which I thought was quite good. >Now if im playing poker on line and even try to run my >Avg virus scan , >it pegs at 100% cpu, and slows down the computer so >bad, it will barely >run. >Heres what Ive done to try and fix the problem. > > >Subject: 100% cpu usage > >Reply: >The main cause I have found is actually a problem with >the way explorer >handles avi files! Let me explain a bit, it you have >an incomplete avi >file, or a damaged avi file, explorer will read it >frame by frame to >determine it's properties (such as video size, length >etc..) >You can confirm this by starting the task manager next >time it happens, >I know it will takes ages to open but be patient! if >you see that >explorer.exe is the process using all your CPU do the >following: >1. Open up regedit >2. Goto >HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\shellex\PropertyHandler >3. Delete the "Default" value which should be >"{87D62D94-71B3-4b9a-9489-5FE6850DC73E}" >I did this and it worked.Everything went back to >normal for awhile.Then >my computer crashed( long story ), so I did a complete >reinstall of >oper system.Problems back, so did the reg thing again, >but this time it >didnt work. >I contacted dell( comp still under warenty}. Make a >long story short, >Dell replaced the hard drive, motherboard, processer, >fan, heat sink, >and the ram. >Still have same problem, so I kept thinking I must >have a virus or >worm.I f disk and reformatted the hard drive and >installed oper system >again, and still have high cpu usage when i try to do >almost anything on my >computer. >By the way it doesnt matter which hard drive I boot >to, same problem on >both. > Any help would be greatly appericated, thank you. PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>